I can't guarantee that you will win every time you play Blackjack. You are going to learn how to use whatever cards you receive to beat the Dealer and win money at Blackjack.
This article tells you how to do just that. But if it's safe to assume that you are not going to get 21 every time, you need to know how to play your cards to get more winning chances. Some combinations are more helpful than others, that's true. If you want to improve your chances to win, you need to know exactly what to do - every single time you are dealt your cards. This is the only way to minimize the impact of luck - a factor the doesn't depend on you and that you'll never be able to control. You need to know how to do the right thing every time you get your cards. In the long term, the only way for you to improve your chances to win at Blackjack is to rely on your skills and on your ability to focus. Unless you don't play one of those crazy (and unusually weird) variants that online Casinos offer you, you don't need to base your strategy to improve your odds entirely on luck.
