If you bet that and you win, now you have $13, so you can bet 30% of that which is $3.9. But on the first round where you wagered $3, and you lost, now you only have $7, and 30% of that $2.1, so you can only wager $2.1 on the next round.
So, do you have to calculate this 30% on every bet? It depends on the “casino no deposit bonus win real money USA” promo terms. Some casinos have an automated program that will warn you that you have exceeded the maximum allowed bet. Some do not have this, so yes, you need to calculate it. And you must do it because if you bet an excessive amount, your bonus and the winnings from it will be forfeited.
- The first one is that you only have a few days to claim it after registration, or you can no longer avail it. Most of the time, free cash is offered to new members.