Once you've made your selection, Amazon will email you a QR code for a Whole Foods employee to scan. Grab that and the items you need to return, and head to either the Whole Foods customer service ...

Did you know there are things you can't return to Amazon? Before adding these 21 items to your cart, be sure to read Amazon's ...

USA: Amazon app supports return codes in the Apple Wallet If you want to hand in returns from Amazon to DHL & Co, you normally need a QR code. This will be easier to store on iPhones in the future.

Then, print out a shipping label and box it up. Or, save a QR code. Take the item to a UPS, Staples, or Kohl's store, and show them the code. The item shouldn't even be in a box.

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