Hedging bets is by far the most successful betting strategy. This is where you're able to place multiple bets to cover all possible results and still make a profit regardless of the outcome of the game.
The answer is an unequivocal, "Yes!" This book's authors are but two examples. Many thousands of people around the country make a good living exclusively from gambling. It is not easy, but it can be done. The key is to understand which games are beatable and know how to beat them.