Make sure to test the URL before sharing the QR code.
You can bookmark this page so you don't have to enter this info again.
Create a bit.ly and show it next to the QR code, in case a customer doesn't know
how to scan a code.
If the QR Code gets too complex, try taking the QR4Tips URL, convert it into a shorter bit.ly, and convert to another QR code using e.g. qr-code-generator.com