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

Sports betting companies make money by collecting a commission on losing bets, which is often called the vigorish. Vig, or vigorish, is the cut or amount charged by a sportsbook for taking a bet, also known as juice in slang terms. The sportsbook only collects the vig if the bettor loses the wager.