Other site recommendations from heavy coupon users: RetailMeNot.com, Hotcoupon world.com and www-Coupons.com.
Some retailers might not accept online coupons. Call ahead to find out, Huffstetler says.
Maximize coupons by waiting for the product to go on sale, Huffstetler says. You'll start noticing that stores tend to put items on sale the same time every month, so you can figure out how much you need to buy before the next sale.
And if your newspaper has exceptionally good coupons one day, "buy an extra paper," she says.
Some shoppers shell out hardly any money for groceries through their coupon skills. Their garages are stockpiled with food and detergent.