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.

No need to keep your wallet stuffed with Costco receipts. The big-box grocer keeps your purchase history on file, and it's pretty simple for you to access.

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.

"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 ...

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 ...