Advantage play blackjack is simply playing the game with an edge. This means that you are taking advantage of the fact that the house edge is greater than 1%.
This can be done by playing more conservatively, knowing the rules of blackjack well, and/or using specific playing strategies.
There are a number of different advantage play blackjack strategies, but the most common ones involve playing more aggressively than normal and using basic strategy to make sure that you are not losing too much money. There are also a number of bonus features available that can help you increase your profits even further.
Overall, advantage play blackjack is a great way to make some extra money while still enjoying the game. Just be sure to know the rules well and use the right strategies to make the most of your edge.