Crypto sportsbook bonuses look generous in headlines: a 100% match, a stack of free bets, or a cashback offer that promises money back on losses. The headline is usually the least informative number in the offer. What decides whether a bonus is worth claiming is the small print: the wagering requirement, the game weighting, the maximum bet, the expiry window, and any win cap. Bettors who read those five numbers first rarely regret claiming a bonus; bettors who claim on the headline often discover the bonus was never really theirs to keep.

The wagering requirement is the multiplier that decides how much you must bet before bonus funds become withdrawable. A 40x requirement on a $500 bonus means $20,000 in total bets before cashout. The detail most people miss is whether the multiplier applies to the bonus alone or to the deposit plus the bonus combined. Under a deposit-plus-bonus structure, the same 40x on a $500 deposit and $500 bonus means $40,000 in bets, double the turnover, even though the advertisement looks identical. Always find that phrase in the terms before opting in, and work out the turnover in your own currency.

Game weighting decides how fast different bets count toward that turnover. Sports bets often count in full, but some markets, such as very short odds or certain bet types, may count less or be excluded entirely. Casino games vary more: slots usually count 100%, while table games may count 10% or nothing. The maximum bet while a bonus is active is another trap: many offers cap stakes at around $5 per bet, and breaching that cap can void the bonus and its winnings. Expiry windows run from 7 to 30 days at most books; miss the window and the bonus and any winnings from it are forfeited, however close you were to clearing it.

Sticky and non-sticky bonuses behave very differently. A non-sticky bonus keeps your deposit and the bonus in separate balances, so if you win with your own money before touching the bonus, you can often cancel the promotion and withdraw. A sticky bonus locks deposit and bonus together from the start, with no withdrawal possible until the full wagering is met. Win caps add a final constraint: some bonuses limit total withdrawable winnings, for example to five times the bonus, no matter how large your balance grows. A bonus with a low win cap can turn a great run into a capped payout, so check the cap before you start.

A quick checklist before claiming runs as follows: calculate the total turnover from the multiplier and its base; check which markets and games count and at what rate; note the maximum bet and the expiry date; check for a win cap and for sticky versus non-sticky terms; and ask whether you would still take the bonus if you had to bet that turnover at your normal stake size. If the answer is no, skip it: playing without a bonus, with full freedom to withdraw, is often better than playing with one that locks your funds. Gamble responsibly, and never deposit extra money just to qualify for a bonus.

A bonus is worth claiming only when you have done the arithmetic and still like the answer, and that arithmetic takes five minutes: multiply out the total turnover from the wagering requirement and its base, check which markets count and at what rate, note the maximum bet and the expiry date, and look for a win cap and for sticky versus non-sticky terms. If the turnover is larger than you would naturally bet in the window, or if the cap would cut short a good run, skip the bonus and play with full freedom to withdraw instead, because flexibility is worth more than extra funds you cannot reach. Never deposit extra money to qualify for a bonus, never breach a bet cap accidentally through a gamble feature, and treat every bonus as a contract you have read, not a gift you have accepted. That mindset turns bonuses from traps into occasional, genuine extras.