If you want to increase your edge at the tables even further, make sure to check the Pokercoaching training site. … Knowing your preflop ranges is one of the most important fundamentals of poker strategy. This is one of the essential building blocks that you can’t skip over. You make preflop decisions every single hand, and if you make a mistake before the flop, you’re likelier to make further mistakes on future streets. The fact of the matter is that no one enjoys studying preflop.