One bettor won more than a half-million dollars by hitting an insane parlay during Championship Sunday in the NFL. The lucky winner turned theirR$20 site credit on FanDuel intoR$579,000 by correctly guessing the winners and exact score of both conference championship games. There's 55 555. There's just 55 555.

Martingale. The first and one of the most well-known sports betting and casino strategies on how to win is the martingale system. In its basic variant, each time you lose a bet, you should wager double on the next match. This way, whenever you win, you cover all your previous losses and gain money for the next bet.