Many people in fact do make a living out of playing online casinos. What you have to do is expertise in some kind of game! There are many people that get really focused on games such as Poker and Blackjack. It usually it backs out for them around 80% of the time. This way they can really make a profit. We advise you not to play games where you don't even know the rules or the odds. Bet on games you really understand and make profits easily.