Casinos are made to keep a house edge, which means that eventually, a portion of all bets will be kept by the casino. The Surprising Victor. One of the casino's regular custslots winner withdrawalomers who had been going there for years was the fortunate player who hit the mega jackpot. The winner was well-known to the employees and other guests at the casino for their love of slot machines and their amiable nature. Everyone who knew them was shocked by their large win because they were someone who had always loved going to the casino.