Mistake #1: Missing Value Bets Value betting is what seperates a great player from just a good player. Obviously, any person knows to bet when he or she holds. The light three-bet has become increasingly popular in poker, and is a profitable move against predictable TAGs. But it won't stay profitable. We all acknowledge that poker is a game of skill, but because of the uniqueness of each situation, we can often miscalculate our own skill when.