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 ...

Amazon ( AMZN) has made returns easier over the years by no longer requiring packaging, for example, and by setting up return ...

Here's how you can return your Amazon packages: Go to Amazon's website and click on Returns and Order s on the top-right corner of the screen.

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.