One universal of humanity, no matter who you are or where you come from, you have to eat. Unless you grow your own food, you will have to go to the grocery store to get it. That means money. Here are two very simple but highly effective methods for saving money on the food you buy.Save Money on Groceries: CouponsWhile you can find them everywhere, people rarely use coupons. If you are one of those people who does not use coupons, this phrase may change your mind. Free money. That's exactly.