Thanks for your insight, I've amended the rules.
Anyway, please consider that this is not a casino, it's an experiment, and the rules I've chosen are fair, since dealing is simply a matter of popping a stack, without any calculations, unlike real casinos.
It's a programming experiment.
As I said I'm open to suggestions, but if you don't agree with the house rules (BTW, a lot of players already withdrew more than what they put into it), simply don't play
Not aspiring to be Vegas, not starting a business, just trying to gain some experience having fun together with other members of the wonderful BitCoin community.