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.

On Android and Kindle you can access the app on devices running Android 5.0 and above. To access BET+ App on Fire TV devices, you can sign into the BET+ app after it is downloaded to your device. Additionally, you can subscribe to the BET+ Channel through Amazon's Prime Video App.

The idea of doubling your bet every time you lose is known as the Martingale betting strategy. While it may seem like a guaranteed way to eventually win, there are significant risks involved.

A Double is the simplest form of Multi bet (or Accumulator/Parlay) a punter can take.