Coupons are like pancakes: One may get the job done, but a stack of them can be a lot more satisfying. It’s referred to as coupon stacking, and experienced deal hunters employ every tool at their ...

Last June, my kindergartener came home on the last day of school with a folder of avant-garde “How to flip a pancake” writing samples and a pencil case full of not one, not two, but ten uncapped ...