Blackjack has the best odds of winning, with a house edge of just 1 percent in most casinos, Bean said. Plus, you are playing against only the dealer, not hooded poker champions.

Casinos often offer free play as a promotional tool to attract players and provide them with a chance to try out their games. However, these free play credits usually come with terms and conditions that need to be met before any winnings can be withdrawn as real money.

Annual Levy: S$3,000\n\n Residents are required to pay entry levy prior to entering the casino premises. Only persons 21 years old and above are eligible to enter into the casino premises.

A player made a $2.50 bet playing slots at a Las Vegas airport recently, and made nearly $348,000. IGT Jackpots shared a screenshot of the win, showing a guest's game of Wheel of Fortune Double Gold Gold Spin Slots at Harry Reid International Airport. The picture shows a whopping win of $347,993.85.