1. Yest wasnt a correction to buy&hold
2. Trade/invest tiny size
3. If planning to hold o/n, keep ample spare liquidity on trading accounts to allow for large o/n swings
4. Don't chase most beaten down names, they won't rise more cause they dropped more
6. Focus time and energy on few areas (there are no "everything-experts")
7. Accept to be wrong. We all are, everytime
8. Keep losses small (easier to recover)