cardPick your card hand by the end of the Charleston and commit. Switching every turn is how hands die.
readsCount what you can see. Four of each tile exist; if three 6 craks sit in the discards, stop waiting on the fourth.
jokersJokers go in the biggest group you're missing. Spending one on a pung you could draw naturally wastes it.
charlestonNever pass a pair in the Charleston. A pair in hand is worth three random tiles back.
readsWatch what your right neighbor discards early; it tells you what they're keeping.