To PREVENT bread from going stale, put a piece of fresh celery in the bath with it .. close it back up..
It will stay fresh longer.
===
To keep MILK from going stale. Put a pinch of salt in the carton with you first open the container.
It will stay fresh up to 3 days past the expiration date.
====
Store bananas by themselves.. not with other fruit. .the will ripen slower..
===
Store greek yogurt upside down .. it stays fresher longer
===