The conditions related to the rollover indicate that it is necessary to bet a certain amount before you can receive a bonus.
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EXAMPLE
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Let's suppose you deposit 100 EUR and that you are offered a bonus of 100%, if you bet 5 times the deposit (5 times the amount).
This means that you have to place a total sum of bets equal to 5 times 100 EUR, or 500 EUR. The most important thing to notice is that you don't have to lose 500 EUR - you only have to place a total of 500 EUR in bets.
