At Betfair there is NO BOOKIE. All bets on Betfair have been placed there by users who either want to have a bet in the normal way (back), or offer odds to other punters (lay). Bets are matched between people with opposing views. As the world's largest online betting company with over $80m in bets per week, your money is safe with Betfair. Moreover, Betfair safeguard all client deposits in a separate company. If you can't pick a winning horse/team, then pick a loser. At Betfair, you can offer your own odds and lines to other bettors. On many events, Betfair match more after kick-off/the race starts. Betfair site acts like a NASDAQ for betting, and with Betfair live price/time reporting you have all the information you need to back your pick - even during the game! Calculating your return has never been easier. If you bet $10 at 2.1 you get $21 back including your stake.