With everyone trying to minimize the number of trips out to the grocery store they have to make, many are wondering how they can keep their food from going bad before they have a chance to eat it. Your first priority should be use as much freezer space as possible - keeping foods frozen is the best way to keep them from spoiling before you have a chance to chow down. For dairy, instead of keeping milk and cheese on the door, which is the warmest part of the fridge, put it in the back.