"An insurance bet doesn't help you win or protect your hand, it only allows you to push if the dealer does have a blackjack. This bet has a huge house edge and is never recommended."

"In shoe-dealt blackjack, you must use your hands to tell the dealer what you want to do. While you can also say your intention out loud, the hand signals are required for the security cameras."

"Roulette wheels are designed so that consecutive numbers are opposite each other, one opposite two, etc. The wheel also alternates between red and black while the green numbers, 0 and 00 are opposite."

"If you turn over a playing card, the chance it will be red is 0.5, or 50%. If the casino was fair, it would pay you $1 for a $1 bet. But if a casino pays you $0.90 instead, it has a 5% edge."

"Nowadays, most slot machines have multiple pay lines. You choose how many lines to play and how much to bet on each, but you must bet at least one coin on each line to activate it or winning that line won't count."