At the checkout, the question comes up almost automatically: “Would you like your receipt?” And very often, out of habit or for environmental reasons, we say no.
After all, that little slip of paper usually ends up crumpled at the bottom of a bag. Yet behind this seemingly harmless gesture lies a much less innocent reality. Because refusing your receipt can sometimes mean losing money without even realizing it — at the expense of your everyday budget.
A pricing error — and your budget takes the hit
We rarely think about it, but pricing mistakes in supermarkets are far from uncommon. Promotions not applied, shelf prices not updated, confusion between two similar products… Individually, it may seem trivial. Over the course of a year, however, the total can quietly add up.
Without a receipt, there’s no way to calmly check what you were actually charged. With it, a quick glance before leaving the store allows you to point out any mistake immediately, without unnecessary debate.
The “double scan”: the invisible error
Another situation that’s more common than you might think: the same item scanned twice. When your cart is full and you’re paying contactless, it’s easy for this kind of mistake to go unnoticed.
A few extra dollars or euros here and there, accumulating week after week. The receipt then becomes a valuable ally for spotting these small discrepancies that slowly eat away at your budget.

