Typical Rummy Errors to Avoid. In order to increase their chances of winning, players should be aware of a few common mistakes, even though chasing the Rummy All 51 Bonus can be lucrative. Overccuet slotsommitting to particular cards or combinations too early in the game is a common mistake. Gamers may lose sight of other possible opportunities that present themselves during gameplay because they are obsessed with finishing a specific set or sequence. Tunnel vision's dangers. Their capacity to adjust and react to shifting conditions on the table may be hampered by this tunnel vision.