You limit the pot according to what you can afford to loose betting against the sharp. If your odds are alright, the small edge that the odds give the house wil

You limit the pot according to what you can afford to loose betting against the sharp. If your odds are alright, the small edge that the odds give the house will play out over the long run. That means astronomic sums of money are needed if you want to allow unlimited bets. Few people would be regularly betting that much. Picking misplaced odds or whatever is exploited is based on luck in the end.