Do not put too much music in the bench, as you may overload it and cause the bottom to fall out.
Do not use Pledge on the bench as it will destroy the finish.
Wash your hands before and after playing the piano, germs accumulate on the keys.
Do not let your child's feel dangle. Put a small stool or book under their feet.
Do no place jars of water inside your upright piano. Due to lack of air circulation this method will not work to humidify your instrument.
If your house is dry, consider a humidifying system for your piano
Never place plants on top of the piano, they will cause stains and ruin the finish.