The receipt checker at Costco isn't just there to prevent you from shoplifting. There is actually a far more important reason ...

Yes, it turns out. The receipt check helps reduce shoplifting, which in turn helps Costco keep prices low. It also ensures you’re not overpaying or underpaying for what’s in your cart.

Costco’s receipt-checking. Costco is a membership-based retailer that sells big-box versions of everyday items, from two packs of bread to huge packs of paper towels.

One Costco Canada employee recounted an attempted theft while doing this final receipt check. Someone exiting the store attempted to steal, "a produce box full of clothes," the employee said.

But one surprising fact about Costco is that they keep your receipts on file for two years. Yes, 730 days (or 731 if a leap year is involved). That’s a pretty long time, but there’s a good ...

"It is standard practice at all our warehouse locations to verify purchase receipts when customers exit our buildings," Costco states on its website. "We do this to double-check that the items ...