I know the pain being myself a gambler but there are lots of solutions for the problem. You can either play with coins like TRX or XRP which have almost negligible fees for withdrawal and you don't even have to wait for confirmations either.

If you somehow deposit BTC and now stuck in the situation then I have another solution for you, just visit this site https://cryptogamblers.pub/exchange make an account and follow the instructions and you will be able to convert your Bitcoins into any coins supported by stake within minutes but at a small exchange fees. I am NOT promoting the site though, I used them and worked out very nicely for me.

Whenever I am playing small, I use this service and convert my coins to withdraw.