Digital coupons are supposed to make saving effortless, but they can also be the reason your total rings up higher than expected. You clip a deal, grab the item, scan your loyalty number, and still… nothing comes off. Then you’re stuck deciding whether to hold up the line, pay full price, or ditch the item you planned around. Most of the time, it isn’t the cashier’s fault or “the app being glitchy” in a mysterious way—it’s a small mismatch between the offer and what you actually bought. Once you know the common traps, you can catch them before checkout and make your digital coupon strategy work like you want it to. Here are four mistakes that quietly cost shoppers the most.
