Holding onto valuable cards: Retaining valuable cards that you are unable to use in sets or sequences is a mistake that many players make. This makes it more difficult to obtain the necessary minimum of 51 points by cstake.com apkausing extra points to be accrued. 2. . Playing only with their hand & neglecting your opponent's moves is a common mistake made by players. They lose out on important information that could enable them to prevent their opponents from winning when they ignore the cards that their rivals are discarding or picking up. Three. Jokers are sometimes used too early in the game by players who don't think through the best ways to use them.