I think Bankroll management like High rollers need to manage their bankroll properly to avoid losing more money than they can afford. They typically set aside a specific amount of money for gambling, knowing that they're playing with high stakes. Also Card counting: like One of the strategies that high rollers might use is card counting, mainly in blackjack. This requires skill, focus, and concentration to keep track of the cards that have been played so that they can make better betting decisions based on the remaining cards.