Online Betting needs bookmaker, where a bookmaker (also known as turf accountant or bookie) is a person or an organization that takes bets on different events at agree upon odds. Bookmakers will works according to the guarantee profit by attaining a balanced book, either by getting the wagered amounts on every outcome returning the odds or for each outcome, by getting same number of bets. During large bets, Online Betting a bookmaker can also buy bets from another bookmaker to lay off the risks. Making money of bookmakers do not consists of bets themselves only, buy also they acting as a market makers and Online Betting trying to make profit from the event apart from the outcome of the event.