Holding onto too many high-point cards in the hopes of creating melds is a common mistake made by inexperienced players, & it can backfire if someone else goes out first. Instead, concentrate on building slots meaning in marathia balanced hand that increases your chances of melding and reduces the amount of points you could lose. This could entail giving runs precedence over sets if you have more cards in sequential order or eliminating high-point cards that are unlikely to aid in the formation of melds rapidly. Knowledge of Patterns and Probability. Proficiency in probability & a sharp memory are prerequisites for this method.