By Dorothy Foltz-Gray
You may be buying organic when you don't need to. If nature's already supplied a thick skin—like those on avocados, bananas, pineapple, and watermelon—toxins aren't getting through, says Catey Hill, author of Shoo, Jimmy Choo! The Modern Girl's Guide to Spending Less. Spend organic pennies on foods more vulnerable to pesticides and hormones like meat, dairy, blueberries, celery, peaches, strawberries, spinach, kale, and grapes.