Observing your opponent's movements and discard pile is another essential tactic. Keep an eye on the cards they discard or pick up; this will tell you a lot bing gameabout their hand and enable you to make more informed decisions. Also, while maintaining awareness of your own plan, attempt to confuse your opponents by discarding cards that are of no use to them. In addition, you should not keep expensive cards for extended periods of time and instead manage your cards wisely.
