7. Buy in season. Sure, it’s tempting to buy strawberries in December, and once in a while that’s fine. But fresh fruit and vegetables are best when purchased in season, meaning they’ve come from relatively close to home. They often cost less, are tastier, and have less risk of pathogens such as E. coli.
It takes care of tips number 1 and number 2 in one fell swoop (and prevents E. coli). Though the easiest is probably 2. Shop the perimeter of the store.