In Rummy, knowing when to declare is one of the most important abilities. If you declare too soon, you may end up with high-point cards that could be very costly if s567 slots all gamesomeone else has a better hand. If you wait too long, however, opponents might be able to successfully meld their hands while you hold onto cards that don't support your plan. As a general rule, you should announce when you have created at least one pure sequence in addition to other sets or sequences that make good use of jokers.