A C$100 match bonus with a thirty-times requirement means C$3,000 in bets before the money is yours. That part most players understand. What catches people out is that not every dollar wagered counts as a dollar. Operators attach a contribution percentage to each game category, and the table where those percentages live is the most important part of the bonus terms.
What a typical contribution table looks like
Video slots usually count in full. Live dealer tables often count at ten percent or less. Blackjack and video poker frequently sit at five percent, and some operators set them to zero. Roulette lands somewhere between ten and twenty percent depending on the variant. On top of that, a list of specific slots is normally excluded altogether: titles with unusually high return figures, games with a bonus-buy feature, and certain progressive jackpots.
Why operators bother with weighting
A game with a small house edge and low volatility lets a player grind through a wagering requirement while losing very little. If blackjack counted in full, a careful player could clear C$3,000 of turnover at an expected cost of about C$15 and walk away with most of the bonus. Weighting evens out the expected cost to the operator across game types. It is not a trick; it is the reason the bonus can exist at all.
Running the numbers before you start
Take the same C$3,000 requirement. On a slot at full contribution, you need C$3,000 in spins. On blackjack at ten percent, every C$100 wagered counts as C$10, so clearing the requirement takes C$30,000 in hands. At a five percent weighting the figure doubles again. A side-by-side breakdown I saw on Dominion Casino made the point with a single chart, and it changed how I pick games while a bonus is active.
Mistakes that void more bonuses than bad luck does
- Switching to an excluded title mid-bonus, which some operators treat as a breach rather than a zero-contribution spin. - Betting above the maximum stake allowed during wagering. - Assuming "table games" means all table games when the terms name specific ones.
Read the weighting table before accepting the offer, not after the balance is stuck. And remember that these offers, like everything else in a casino lobby, are intended for adults of legal gambling age who treat them as entertainment rather than income.