The only way to win against the house apart from pure chance is to rig the odds in your favor somehow. That means finding a hole in their betting engine, or whatever it is called, and exploit it to your advantage. Otherwise you are going to lose eventually. That is why you should gamble only for enjoyment of it and with the money you can afford to lose, or give away if you don't quite like the word lose. On the flip side, though, you don't necessarily have to play against the house. You can play with the house by investing in its bankroll if the house offers such a possibility.