I'd simply add to that to set yourself a goal : if you end up winning, once you hit 150 $ or 200 $, stop playing. You could spend the rest of your time there spending half of your gains on fun things, like drinks or whatever. Your maximum loss is already covered.
Bring a maximum of $100 and don't bring any credit cards or any other means of getting money.
I'd simply add to that to set yourself a goal : if you end up winning, once you hit 150 $ or 200 $, stop playing. You could spend the rest of your time there spending half of your gains on fun things, like drinks or whatever. Your maximum loss is already covered.
No credit cards. Smart.