For example, it can offer blackjack games using any number of decks of cards. In most gaming jurisdictions, a casino can vary the playing rules as it wishes. The house edge is determined by the following two factors: In order to make the best bets you can in blackjack, you need to reduce the house edge (and the subsequent cost) to as small as possible (i.e., less than 1%). But what is certain is this: over time you will lose about 1% of all the money you wagered. Sometimes you will get lucky and end up with a winning session, and other times, you will be not so lucky and will end up losing. But over a prolonged number of hands that you play, your expectation is to lose 1% of all the wagers that you make. In fact, when you wager $10 you either are going to win $10 (if your hand beats the dealer’s hand), or you will lose $10 (if the dealer beats your hand). Now, the dealer isn’t going to expect you to pay her 10 cents every time you make a $10 wager. (The latter arises mainly because players have to draw first, and if they bust, they automatically lose regardless if the dealer subsequently busts in the same round.) The cost of each bet can be determined by multiplying the casino’s mathematical advantage by the amount of the bet.įor example, if you make an initial wager of $10 on your hand and the house edge is, say, 1%, the cost for making the bet is $10 x 1% or 10 cents.

Every time you make a bet at blackjack, there is a “hidden” cost due to the casino’s mathematical advantage or edge.

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