Claiming a massive casino bonus is incredibly exciting, but the free money always comes with a catch.

Also known as “playthrough” or “rollover,” this rule dictates exactly how and when you can withdraw funds.

The Mathematics of Rollover

A wagering requirement is a multiplier that dictates the total volume of bets you must place.

For example, a $50 bonus with a 40x playthrough means you need to generate $2000 in betting volume.

• It prevents instant withdrawals of free casino funds
• The multiplier usually ranges from 20x to 50x
• It can apply to the bonus alone or the deposit plus bonus

Game Contributions and Weighting

Because blackjack has a tiny house edge, playing it is generally heavily restricted when using bonus funds.

If a game contributes 10%, a $10 wager only removes $1 from your remaining playthrough total.

Additional Bonus Restrictions

Casinos impose strict deadlines to encourage faster gameplay and higher risk-taking from the player.

Furthermore, there is almost always a maximum bet limit in place while a bonus is active.

A bonus with a massive monetary value is useless if the wagering requirements are mathematically impossible to meet.