[Hestia]

Yes, such pitfalls are common. I usually look not only at the bonus size, but also at the wagering requirements – the lower, the better. Sometimes it is better to choose a smaller bonus with transparent conditions. You can look at https://www.onlinecasinotop10.co.uk, it describes which offers are profitable and which are better to avoid. I always prefer bonuses with a wagering requirement of no more than x20, because they can really be withdrawn. And also, look at the betting limit and the time for wagering.