When it comes to coupons, we’re stoked about stacking. What’s stacking? It’s when you stack a manufacturer’s coupon on top of a store coupon for a double-dip discount. Many retailers offer store coupons, including most grocery stores, Check Target, Walgreens and others — just check their the weekly ad or inquire at customer service. However, the savings don’t stop there because you can also use a manufacturer’s coupon on the same item. .Novices and experts alike can find a great source of manufacturer’s coupons on our sister site, Living On The Cheap. For the full details on this procedure, CLICK HERE.