Thankfully, the house edge in blackjack is relatively low, so you only need a small leg up to even things out. However, even that requires a level of memory and concentration not everyone has. There are some tried-and-true ways of counting cards in blackjack for beginners, such as the Hi-Lo system. It’s not an easy technique to get into, though – let alone master.
Card counting is one of the most well-known ways of getting an advantage in blackjack.