In 777 Rummy, even experienced players are susceptible to common errors that can reduce their chances of success. Not changing your strategy in response to changes in the gamerummy yes's flow is a common mistake. Missed opportunities & needless losses can result from following an original plan too closely without taking other players' reactions into account. Throughout every round, it's critical to maintain your flexibility and modify your strategy in light of new facts. Mishandling pickups and discards is another common error.