Reduce impulse buying by making and sticking to shopping lists. Buying on impulse can raise your grocery bill at least ten percent. So shop when you aren't hungry. Plan menus and shopping lists around weekly specials. Store brands of food items are generally less expensive than the nationally advertised name brands.
Generic food is usually least expensive.
Buy less junk food, including bottled and canned beverages. In a big supermarket, there are probably 350,000 possible choices. So it's not a simple matter to shop for groceries anymore. 1001 ways to cut your expenses . 10 minute guide to household budgeting .