That is, for every $100 the player wagers, the casino keeps $2. For inexperienced players making poor decisions, the house edge can be as much as 2%. It works as a percentage for every $100 wagered. The house edge is effectively the advantage the casino has over the blackjack player. In fact, different plays can optimize your returns over the long term. Different online variations have different house edges. You win even money for beating the dealer, but you stand to win 3/2 for hitting a natural blackjack.īefore you start playing, it’s important to understand what the house edge is. The aim is simple: beat the dealer’s hand without going bust. Blackjack is one of the easiest free casino games to pick up.