The most common conditions are the obligation to reverse the bonus credit X times depending on the provider wagering requirements, you can use the bonus only for a certain time (24, hours, 7 days, 30 days), a limited amount of money that you can turn into real money won using bonuses, and the like. There is a possibility that the casino offers a bonus if you register, and when you do, you do not get the bonus automatically. If this happens, you have to contact customer service for the bonus to be added.