House Edge: Slots and Blackjack


The House Always Wins, But Not Always


Casinos make a profit not solely through players losing bets. They are at an advantage because of the so-called house edge, or casino’s advantage. It is built into slots, blackjack, poker, baccarat, and all other casino games, including lotto. The house edge tells how much the average payout of a particular game is over its lifespan. It also tells which game offers the best returns for players. 

Casino Games House Edge

House Edge: Slots and BlackjackThe house edge is built in! No one can escape it. However, a player can use knowledge of the house edge to their advantage as it will indicate which games are profitable. Games with lower house edges are preferable, as those with high house edge have lower payout rates.

American roulette has a 5.26% house edge while baccarat has a 1.01% to 15.75% house edge. Slots have 2% up to 15% house edge, while video poker has 0.46%. Blackjack has a house edge of 0.5%.


Expertise and skills are not prerequisites to improve one’s chances of winning at slots. There is just no way to beat the house edge and increase one’s odds. The best that can be done is to choose the number of paylines to bet, hit the button, and hope for the best. Slots with free bonus are great, though, and are given to players by most online casinos for free bet money. Terms and conditions apply, though.

RTP stands for Return to Player. If a slot machine pays out a 90% RTP, this means that the machine’s house edge is 10%. Bet on slots with the highest RTPs, as the house edge is at its lowest.

Slots generally afford players a low RTP. The fact is, the more paylines a slot has, the bigger its impact on the house edge. If a slot machine has 20 paylines, it is best for a player to bet on all the paylines, as this will increase his chances of winning, which relatively decreases the casino’s chances of winning. Betting on only 10 paylines cuts a player’s odds of winning by half.


House Edge: Slots and BlackjackBlackjack is not exactly a game that is based on pure luck; part of winning in this game calls for the knowledge and skills of a player. Luck may be applied to the drawing of cards. The standard house edge for blackjack is 0.5% if basic strategy and standard rules are applied. If not, as in for a player with no clue as to how to play blackjack, the house edge increases. In blackjack and poker, knowledge and skills of the game equate to power! Live dealer blackjack casinos attest to this!  Employing blackjack strategies is a way for players to lessen the house edge.

Blackjack charts are available online. These charts indicate every possible combination of both player and dealer in a game of blackjack. Learning this chart will serve as a guide for players when making decisions based on the cards on the table.

Composition strategies are more complicated. They entail memorizing the blackjack charts. The card values from the deck will serve as a guide as to which cards are still undealt. If done correctly, the house edge could go down to a low 0.18% which is practically zero (0).

Using the hi-lo system in card counting in blackjack is favorable to the player if the running count is high. If the running count is low, the casino is at an advantage.


Each casino game, even Wheel of Fortune slots, has its own set house edge. One just has to know its value and try to lower that value down by using knowledge of the game and disadvantages of the casino itself.

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