Sit and Go's are small, single table tournaments, that run constantly at Betfair Poker. All players buy in for the same amount and are then given an equal amount of chips. Play continues until only one player remains. Players are paid out on where they finish, not on the amount of chips they have at any given point.

Most Common Way to Make Living at Poker\n\n The sit-'n'-go tournament, or SNG, is a staple of the online game, where the top pros consistently make around $500,000 a year.

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.

In a classic martingale betting style, gamblers increase bets after each loss in hopes that an eventual win will recover all previous losses. The anti-martingale approach, also known as the reverse martingale, instead increases bets after wins, while reducing them after a loss.