iDebit Casino Guide: Fees, RTP, and the Math Behind Your Deposit
A Canadian player named Marcus sits down on a Tuesday evening with $200 in his chequing account and one goal: play blackjack at an online casino that actually pays out fast. He has tried credit cards before, watched a $50 deposit turn into a $53 charge, and got tired of waiting three days for a withdrawal. So he looks for iDebit, a bank-transfer method built for Canadian dollars, and starts running the numbers.
This guide follows Marcus through the whole process: choosing a licensed operator, calculating expected value on a welcome bonus, comparing return-to-player percentages between regulated and offshore platforms, and reading the fine print on transaction fees. By the end you will have a spreadsheet-ready framework for deciding whether an iDebit casino is worth your money, plus a list of operators that actually support the method in 2026.
What iDebit Actually Does at an Online Casino
How does iDebit handle deposits compared to a credit card?
iDebit connects your Canadian bank account directly to the casino cashier. You authorize the payment through your own online banking login, funds move within seconds, and the operator never sees your card number. Deposits typically clear instantly, while credit cards can carry a 3% to 5% cash-advance fee depending on your issuer.
The mechanics matter for expected value. Suppose you deposit $100 by credit card at a casino that charges nothing on its side. Your bank treats it as a cash advance, adds a $10 fee plus 21.99% annual interest accruing daily from day one. With iDebit, the same $100 deposit costs between $1.50 and $3.00 flat, and no interest accrues because the money leaves your chequing account outright.
Marcus ran this comparison over a six-month period. Twelve deposits of $100 each meant he saved roughly $120 to $160 in fees by switching. That is real money, roughly equivalent to an extra 60 to 80 spins on a $0.20 slot or a couple of double-downs at the blackjack table.
Which Canadian banks support iDebit in 2026?
iDebit works with most major Canadian financial institutions, including RBC, TD, Scotiabank, BMO, CIBC, National Bank, and most credit unions. The service also supports Desjardins and Tangerine, which covers an estimated 90% of Canadian banking customers who use online banking. Smaller regional banks occasionally lag behind, so check the iDebit logo in the cashier before you register.
Withdrawals follow the same rails. Once the casino approves your cash-out (usually 24 to 48 hours at licensed sites), funds land back in your chequing account within 1 to 3 business days. Compared to paper cheques, which can take 10 to 14 days and cost $25 to cash, the difference is obvious. Marcus's fastest recorded withdrawal through iDebit cleared in 19 hours end to end.
| Payment method | Deposit fee | Withdrawal time | Typical withdrawal fee |
|---|---|---|---|
| iDebit | $1.50–$3.00 | 1–3 business days | $0–$2.00 |
| Credit card | 3%–5% cash advance | 3–7 business days | 1%–3% |
| Interac e-Transfer | $0–$1.50 | 1–2 business days | $0–$2.50 |
| Crypto (BTC/ETH) | Network fee only | 10 min–2 hours | Network fee only |
| Paper cheque | $0 | 10–14 business days | $25 cashing fee |
What limits should you expect on iDebit transactions?
Per-transaction ceilings at most iDebit casinos range from $500 to $5,000, set by the operator rather than iDebit itself. Daily bank-side limits are usually $3,000 to $10,000 depending on your institution and whether you use a standard or enhanced daily transfer limit. High rollers often need to request a temporary increase from their bank before making a large deposit.
Minimum deposits are friendlier. Most sites accepting iDebit let you start with $10 to $20, which fits casual players who want to test a platform before committing. Marcus typically deposits $50 on a first visit, plays through the balance once, and only then decides whether to raise his limits. That habit has saved him from at least three bad operators over the years.
Choosing an iDebit Casino: Licenses, RTP, and Expected Value
Does a licensed casino really pay better than an offshore one?
Not automatically, but the odds of fair play improve measurably. Licensed platforms in Ontario (regulated by iGaming Ontario under the Alcohol and Gaming Commission) must submit their game libraries for independent testing and publish monthly return-to-player figures. Offshore sites operating under Curaçao or Anjouan licenses face looser auditing requirements, which historically correlates with lower average RTP on slots and slower dispute resolution.
The gap is smaller than players assume, but it exists. Public game-certification data shows licensed Ontario casinos typically carry slots averaging 95.5% to 96.5% RTP, while many offshore libraries include titles at 94.0% to 95.0%. Over 10,000 spins at $0.20 each, a 1.5 percentage-point RTP difference equals $300 in expected loss. That is not theoretical; it is arithmetic.
| Platform type | Typical slot RTP | Avg. payout time | Dispute route |
|---|---|---|---|
| iGaming Ontario regulated | 95.5%–96.5% | 24–48 hours | iGO + AGCO |
| MGA licensed (Malta) | 95.0%–96.5% | 24–72 hours | MGA Player Support |
| Curaçao licensed | 94.0%–96.0% | 48–120 hours | Operator only |
| Anjouan licensed | 93.5%–95.5% | 48–168 hours | Operator only |
How do you calculate expected value on a welcome bonus?
Expected value equals (probability of completing wagering × bonus value) minus (expected loss during wagering) minus fees. A practical shortcut: multiply your total wagering requirement by (100% minus RTP) to estimate your cost, then subtract that from the bonus. If the result is positive, the offer is worth taking; if negative, skip it.
Walk through a real example. A casino offers 100% match up to $500 with 35x wagering on a slot with 96.0% RTP. You deposit $100, receive $100 bonus, and must wager $3,500 total. Expected loss during wagering: $3,500 × 4% = $140. Bonus value: $100. Net expected value: −$40. On paper, this offer loses money for the average player.
Now swap the game. Same bonus, but you play a blackjack variant at 99.1% RTP with 10% wagering contribution. Effective wagering drops to $350, expected loss falls to $350 × 0.9% = $3.15, and net EV jumps to +$96.85. The bonus terms did not change; your game selection did. Marcus keeps a one-page cheat sheet of contribution rates pinned above his desk for exactly this reason.
Which operators support iDebit and publish honest RTP data?
Among the brands available to Canadian players, several stand out for transparent payout reporting and iDebit support. Jackpot City Casino and Spin Casino (both Baytree Interactive, MGA-licensed) publish monthly eCOGRA reports showing overall payout percentages above 96%. PlayOJO advertises no-wagering bonuses, which removes the EV calculation entirely since winnings are withdrawable immediately.
Offshore operators like BitStarz Casino, Stake Casino, and BetWay Casino also accept iDebit through third-party processors, though their payout reports are less granular. LeoVegas Casino and Unibet Casino carry MGA licenses with published RTP libraries. Golden Nugget Casino and DraftKings Casino operate in Ontario under iGO regulation, but their iDebit availability depends on the specific cashier build.
For players who want crypto alongside iDebit, 7Bit Casino, BitKingz Casino, and RainBet Casino support both rails. Cookie Casino, GreatWin Casino, and CrownPlay Casino round out the mid-tier field with Curaçao licenses and iDebit deposits. Always confirm the license number in the site footer before you fund an account.
What does the house edge really cost you per hour?
House edge multiplied by total bets per hour gives your expected hourly cost. A slot player spinning 600 times per hour at $0.20 per spin wagers $120/hour. At 96% RTP, expected loss is $4.80 per hour. At 94% RTP, it climbs to $7.20 per hour. Over a 10-hour month, that difference is $24, or $288 per year.
Table games are cheaper per hour because bet frequency is lower. A blackjack player making 70 hands per hour at $10 per hand wagers $700/hour. At 99.1% RTP (0.9% house edge), expected hourly loss is $6.30. Roulette at 97.3% RTP on a European wheel costs roughly $10.50 per hour at the same bet size and pace. The math rewards game selection more than deposit method.
Marcus tracks his sessions in a simple spreadsheet: date, game, bet size, spins or hands, RTP assumption, and net result. After 14 months and roughly 90,000 recorded spins, his actual loss rate sits within 0.4 percentage points of the theoretical prediction. The model works. Whether it changes how much he plays is another question entirely.
Step-by-Step: Depositing with iDebit and Reading the Fine Print
How long does an iDebit deposit actually take?
The authorization itself completes in under 60 seconds. You select iDebit at the cashier, log in through your bank's portal, confirm the amount, and receive a success message. Casino-side crediting is usually immediate, though a few operators hold new deposits for a manual review of up to 2 hours on a first transaction.
Delays happen for predictable reasons. If your bank flags the merchant category (gambling is coded MCC 7995), you may see a pending authorization for 15 to 30 minutes while fraud checks clear. Marcus's RBC account occasionally holds the first deposit of a session; subsequent ones post instantly. Adding the casino to your bank's trusted payee list usually eliminates the hold after the first attempt.
What fees does iDebit charge on deposits and withdrawals?
iDebit's published fee schedule for Canadian users shows $1.95 for deposits from a bank account and $2.00 for withdrawals to a bank account, as of the 2026 schedule. Some casinos absorb this fee as a courtesy; others pass it through. A few charge their own additional withdrawal fee of $5 to $25 on top, which is worth checking before you commit to a platform.
Foreign-currency conversion is the hidden cost. If you play at a casino that settles in EUR or USD, iDebit applies a 2.5% currency conversion spread on top of the base fee. Depositing C$500 into a EUR-denominated account therefore costs about $14.75 all-in ($1.95 + $12.50 conversion). Choosing a CAD-native casino, as Marcus does, keeps the total cost under $2.
Which games give you the best RTP at an iDebit casino?
Slot RTP varies widely even within the same casino, because providers set the number per title. NetEnt's Blood Suckers carries 98.0% RTP, Microgaming's Mega Joker reaches 99.0% on maximum bet, and Pragmatic Play's Sweet Bonanza sits around 96.5%. Hacksaw Gaming's Chaos Crew lands at 96.3%. Evolution's live blackjack variants typically offer 99.2% to 99.5% with perfect basic strategy.
The practical takeaway: sort the casino lobby by RTP if the site allows it, and ignore anything below 95.0% unless you are chasing a specific jackpot feature. Marcus's personal rule is simple. If a slot's published RTP is under 95.5%, he does not play it, regardless of theme or volatility. That single filter has kept his expected losses within budget for years.
| Game | Provider | RTP | Volatility |
|---|---|---|---|
| Mega Joker | NetEnt | 99.0% | High |
| Live Blackjack (Perfect) | Evolution | 99.5% | Low |
| Blood Suckers | NetEnt | 98.0% | Low |
| European Roulette | Microgaming | 97.3% | Medium |
| Sweet Bonanza | Pragmatic Play | 96.5% | High |
| Chaos Crew | Hacksaw | 96.3% | High |
| Starburst | NetEnt | 96.1% | Low |
How do you verify an iDebit casino's license before depositing?
Scroll to the footer and locate the license number. For Ontario sites, look for the iGaming Ontario registration and AGCO iGaming license. For MGA operators, the license number format is MGA/B2C/XXX/20XX and can be verified on the Malta Gaming Authority website. Curaçao licenses carry an 8-digit number issued through the Curaçao Gaming Authority, reformed in 2025 under the new National Ordinance on Games of Chance.
Cross-check the license against the game providers listed in the lobby. Licensed operators display certified studios (Evolution, Pragmatic, NetEnt, Microgaming, Play'n GO) whose games are audited by bodies like eCOGRA, iTech Labs, or GLI. If a casino claims 200+ providers but only shows unbranded or unknown studios, treat that as a red flag. Marcus once walked away from a site after noticing the "NetEnt" logo linked to a mirror domain instead of the official provider page.
Responsible Play and Where to Get Help
What tools does a good iDebit casino give you to control spending?
Reputable operators operating in Canada provide deposit limits (daily, weekly, monthly), loss limits, session time reminders, cooling-off periods of 24 hours to 7 days, and full self-exclusion ranging from 6 months to permanent. Under iGaming Ontario rules, all regulated casinos must display these controls prominently and process exclusion requests within 72 hours.
Set your deposit limit before your first iDebit transfer, not after a bad night. Marcus caps his weekly deposit at $150, a number he derived from his entertainment budget rather than from any casino tool. The platform limit is a backstop, not a plan. If you find yourself raising limits more than once a month, that is a signal worth taking seriously.
Where can Canadian players get gambling support?
The national helpline is 1-866-531-2600 (ConnexOntario, available 24/7 across Ontario, with provincial equivalents in Alberta, BC, and Quebec). Players must be 19 or older in most provinces (18 in Alberta and Quebec) to gamble legally at a licensed casino. Self-exclusion can be registered through provincial programs or directly through casino account settings.
The Canadian Self-Exclusion Program, administered province by province, blocks access to both land-based and online operators for a period you choose. Ontario's version integrates with iGaming Ontario so that an exclusion request propagates across all regulated sites within 72 hours. Offshore casinos will not honor it, which is one more reason to stick with licensed platforms when the math and the safety net both matter.
When should you walk away from an iDebit casino entirely?
Three warning signs justify closing your account: withdrawal delays beyond 7 days without a clear reason, customer support that stops responding after a verification request, or RTP figures that deviate significantly from published values over a large sample. Marcus logged 5,000 spins at one Curaçao-licensed site and measured a 92.1% return against a published 96.0%. He stopped playing there that week.
Document everything. Screenshots of your balance, timestamps on withdrawal requests, and copies of any correspondence become essential if you escalate to a regulator. Licensed operators respond to formal complaints; unlicensed ones rarely do. The cost of leaving is usually just the remaining balance, which is a cheaper lesson than chasing it with another deposit.
How do you build a repeatable deposit and play routine with iDebit?
Structure beats improvisation. Marcus's routine takes four steps: confirm the weekly limit in his casino account, deposit a fixed amount through iDebit on Friday afternoon, play only games with published RTP above 95.5%, and stop when either the session time hits 90 minutes or the balance drops below 40% of the deposit. The rules are written down, not remembered in the moment.
Over 14 months, this routine produced an average weekly loss of $62 against a $150 budget, meaning he banked roughly $88 per week in unspent gambling funds. The discipline does not guarantee winning; nothing does. What it guarantees is that the entertainment cost stays predictable, which is the only realistic financial goal at a casino.
Frequently Asked Questions
Is iDebit safe to use at online casinos?
Yes, when the casino itself is licensed. iDebit never shares your banking credentials with the operator; the transaction routes through your own bank's authentication layer, and the casino receives a confirmation token instead of account details. Combine that with an MGA or iGaming Ontario license, and the deposit path is about as secure as Canadian online payments get.
How much does iDebit charge per transaction?
The standard 2026 fee is $1.95 per deposit and $2.00 per withdrawal from a Canadian bank account, plus a 2.5% currency conversion spread if the casino does not settle in CAD. Some operators absorb the base fee. Always check the cashier's fee disclosure before confirming the amount.
Can I withdraw casino winnings to my bank with iDebit?
Most iDebit casinos support withdrawals back to the same bank account used for deposit. Processing takes 24 to 48 hours on the casino side, then 1 to 3 business days for the funds to reach your account. Identity verification (KYC) must be completed first, so submit your documents early rather than at withdrawal time.
Which Canadian banks allow iDebit gambling payments?
RBC, TD, Scotiabank, BMO, CIBC, National Bank, Desjardins, Tangerine, and most credit unions support iDebit. Some banks may block MCC 7995 (gambling) by default; you can usually enable it through online banking settings or by calling customer service. Roughly 90% of Canadian banking customers have access.
What is the minimum deposit at an iDebit casino?
Most operators set the floor at $10 to $20 CAD. That is low enough to test a platform with a single session before committing more funds. Maximum per-transaction limits typically range from $500 to $5,000, adjustable by contacting casino support for verified accounts.
Do iDebit casinos charge higher fees than crypto casinos?
Crypto casinos often charge only the blockchain network fee, which can be under $1 on low-traffic networks. iDebit's fixed $1.95 is competitive for small deposits but adds up for high-volume players. The trade-off: crypto withdrawals are faster (minutes) but expose you to price volatility between cash-out and conversion.
How do I know an iDebit casino's RTP is honest?
Look for monthly payout reports from independent auditors like eCOGRA, iTech Labs, or GLI. Licensed casinos in Ontario, Malta, and the UK publish these figures; unlicensed ones rarely do. If a site claims 97% overall RTP but shows no third-party audit, treat the number as marketing rather than measurement.
Is iDebit available at every online casino?
No. iDebit is a Canadian-specific method, so it appears mainly at operators targeting Canada. Roughly 30% to 40% of casinos accessible to Canadian players list iDebit in the cashier; the rest rely on Interac, credit cards, or crypto. Check the payment page before registering to avoid the disappointment of a good casino that will not take your preferred method.
Marcus started this process with $200 and a spreadsheet. Fourteen months later he has a documented loss rate within 0.4 percentage points of theory, a weekly budget that has never been breached, and a shortlist of three licensed iDebit casinos he trusts with his money. The math does not promise profit; it promises predictability, and at a casino that is the only honest win available to you. If predictability is the goal, the next step is turning that philosophy into a checklist you can run before every new casino account. Below is a compact pre-deposit routine that folds everything above into five concrete checks, each taking under two minutes, so the discipline survives contact with a Friday night session.Pre-Deposit Checklist for Any iDebit Casino
Have you confirmed the license number in the footer?
Open the site, scroll to the bottom, and read the license line before you even create an account. An iGaming Ontario registration, an MGA number in the MGA/B2C/XXX/20XX format, or a valid Curaçao Gaming Authority code should all be verifiable on the regulator's public register within about 60 seconds.
Marcus keeps three regulator tabs open in his browser permanently: iGaming Ontario, the Malta Gaming Authority, and the Curaçao register. When a new brand appears on his radar, he pastes the license number into the appropriate search field, confirms the legal entity name matches the casino's terms page, and only then proceeds to registration. The whole ritual takes about two minutes and has already saved him twice from funding an unverifiable operator.
Is iDebit listed with transparent fee disclosure?
The cashier page should state deposit and withdrawal fees before you confirm, not after. Look for the phrase "fees may apply" as a red flag; honest operators publish exact figures like $1.95 deposit and $2.00 withdrawal. If the page is vague, ask support directly and save the chat transcript.
Ask one blunt question in live chat: "What is the exact fee on an iDebit deposit of $100 and on a $500 withdrawal?" A support agent who answers with numbers within one reply is a good sign. One who redirects you to a generic FAQ page is telling you something. Marcus screenshots every fee answer and files it with the account notes, a habit that resolved a disputed $12 charge in his favour last spring.
Does the bonus EV calculation come out positive?
Run the formula from earlier: wagering requirement × (100% − RTP) − bonus value. A positive number means the offer is mathematically worth claiming; a negative number means you are paying for the privilege of playing. Skip any bonus whose effective RTP falls below 95.5% after contribution rules are applied.
| Bonus offer | Wagering | Game RTP | Net EV |
|---|---|---|---|
| 100% up to $500, 35x | $3,500 | 96.0% slot | −$40.00 |
| 100% up to $500, 35x, 10% contribution | $350 effective | 99.1% blackjack | +$96.85 |
| 50 free spins, 40x | $400 | 96.5% slot | −$14.00 |
| No-wagering 20 spins | $0 | 96.5% slot | +$13.00 |
The table above uses a $100 deposit and $0.20 spins for the free-spin rows. PlayOJO's no-wagering model wins by default because the calculation collapses to the raw spin value. Everywhere else, contribution rates decide the outcome, which is why Marcus reads the terms page before the promotions banner.
Have you set your weekly deposit limit before funding?
Set the limit inside the casino account first, then make the iDebit transfer. Reversing the order invites negotiation with yourself at 1 a.m., which is exactly when good budgets fail. Licensed Ontario sites enforce these limits within 72 hours of a request, and the tool is free to use.
His own number, $150 per week, came from a boring exercise: he took his monthly discretionary income, subtracted rent, groceries, transit, and savings, and allocated 3% of what remained to entertainment. Casino play competes with streaming, restaurants, and concert tickets for that pool. Writing the figure down removed the argument. Fourteen months in, the limit has been raised zero times.
Is the game library filtered to high-RTP titles?
Open the lobby and search for known high-return games: Mega Joker at 99.0%, Blood Suckers at 98.0%, Evolution live blackjack at 99.2% to 99.5%. If none of these appear, the casino's catalogue may skew toward lower-RTP proprietary titles, which quietly raises your expected hourly cost.
Providers matter here. NetEnt, Microgaming, Play'n GO, Pragmatic Play, and Evolution publish RTP figures for every release and submit their code to third-party testing. Studios you cannot identify are studios you cannot price. Marcus filters his lobby view to those five providers alone, which typically leaves him with 300 to 600 playable titles, more than enough variety for a 90-minute session.
Comparing iDebit to Other Canadian Payment Methods
Why choose iDebit over Interac e-Transfer?
Interac is faster for peer-to-peer transfers but clunkier at casino cashiers: you often have to copy a reference code, send the e-Transfer manually, and wait for the operator to confirm receipt, a process that can take 5 to 30 minutes. iDebit completes the same loop in under a minute through a direct banking handshake.
Fees are close enough to call it a tie: Interac runs $0 to $1.50 per transaction, iDebit sits at $1.95. Withdrawal timing favours Interac slightly at 1 to 2 days versus iDebit's 1 to 3. The real differentiator is reliability. Marcus switched after two failed Interac deposits where the casino claimed non-receipt, a dispute that took nine days to resolve.
Is crypto actually cheaper than iDebit for regular players?
For deposits under $200, crypto network fees on Bitcoin or Ethereum can exceed $1.95 during congestion, wiping out the theoretical cost advantage. Solana and Litecoin remain cheap at under $0.10 per transaction, but you now hold price exposure between deposit and play, which adds a variable the iDebit route simply does not have.
Withdrawals tell a different story. A crypto cash-out from a fast-paying casino can land in your wallet in 10 minutes; an iDebit withdrawal takes 1 to 3 business days. High-frequency players who move money weekly may prefer crypto's speed despite volatility. Casual players depositing once a month will not notice the difference and keep the price stability of CAD.
| Scenario | iDebit cost | Interac cost | Crypto cost |
|---|---|---|---|
| $100 deposit | $1.95 | $1.00 | $0.10–$4.00 |
| $500 deposit | $1.95 | $1.50 | $0.10–$12.00 |
| $500 withdrawal | $2.00 | $2.50 | $0.10–$8.00 |
| Currency conversion (2.5%) | $12.50 | $0 (CAD only) | Spread varies |
| Time to receive funds | 1–3 days | 1–2 days | 10 min–2 hours |
What about credit cards at Canadian casinos?
Credit card deposits at offshore casinos are treated as cash advances by Canadian banks: expect a $10 minimum fee plus 21.99% interest accruing daily from the moment of the transaction. Ontario-regulated casinos generally do not accept credit cards for gambling at all, following AGCO guidance on responsible play.
Even where cards are accepted, the chargeback route is a trap. Card networks side with the cardholder in most gambling disputes, which is why operators price credit deposits higher or exclude them entirely. iDebit transfers are final once authorized, giving you no chargeback leverage but also no surprise reversal three weeks later when a winning session gets clawed back.
Does iDebit work for both casino and sportsbook deposits?
Yes, the underlying rails are identical whether you fund a casino balance or a sports betting account. Operators like BetWay Casino, Unibet Casino, and BetVictor Casino run combined casino and sportsbook wallets, so one iDebit deposit can cover a Saturday parlay and a Sunday slot session without moving money twice.
Wallet segregation rules under iGaming Ontario require that casino and sportsbook balances remain separate in regulated markets, meaning you cannot technically cross-subsidize one vertical with the other's winnings. Offshore operators often run a single pooled balance, which is more convenient but removes a useful psychological boundary between betting formats.
Making the Final Call
Which iDebit casino should a Canadian player pick first?
For Ontario residents, an iGaming Ontario regulated site with published eCOGRA or GLI reports gives the strongest combination of fair RTP, fast payouts, and enforceable self-exclusion. For players outside Ontario, an MGA-licensed brand with iDebit in the cashier and a visible license number is the next best tier of protection.
Marcus's shortlist, refined over 14 months of testing, includes one Ontario-regulated operator for table games, one MGA-licensed site for slots with published RTP, and one Curaçao-licensed crypto-hybrid for weekend experiments with smaller stakes. Three accounts, three purposes, one weekly budget split across them. The redundancy is deliberate; if any single operator stalls a withdrawal, the routine continues uninterrupted elsewhere.
Is the effort of comparing casinos worth it for a casual player?
If you play fewer than 10 sessions a month at stakes under $1 per spin, the difference between a 96% and a 95% RTP casino is roughly $10 to $20 per month in expected loss. That is real money, but it is smaller than the fee savings from choosing iDebit over credit cards in the first place.
Prioritize accordingly. Fix the payment method first, because that saves money on every transaction regardless of game choice. Then check the license, because that protects your balance in a dispute. Only after those two are settled does fine-tuning RTP across operators become a worthwhile optimization. Sequence matters more than exhaustive research.
What single habit separates players who stay in control from those who do not?
Written rules. Not intentions, not app notifications, not a mental note made while winning. A physical or digital document stating the weekly deposit cap, the stop-loss threshold, the maximum session length, and the games you will play. Reviewed weekly, adjusted rarely, and never renegotiated during a losing streak.
Marcus's sheet fits on one page and has not needed a major revision since month three. It costs him four minutes a week to review and has prevented every impulse deposit he can identify as a mistake. The casinos will always offer another bonus, another reload, another reason to add twenty dollars to the balance. Your written rules are the only counterweight that does not care how the session is going.
Play at licensed iDebit casinos, run the expected-value math before claiming any bonus, keep your deposit limit written down, and treat every session as a fixed-cost entertainment purchase rather than an investment, because that is exactly what it is.