Anyone ever try selling and shipping merch through a QR code? If so is it worth it? Thinking of ways to max out merch sales but not sure it's worth the hassle or even works?

It wouldn't be a replacement to selling physical tees etc. just a supplement to fans that don't want to wait in line, or we run out of their size we can still capture that sale potentially. Or whatever else. Anyone ever try this? Is it even worth dealing with shipping etc? Has anyone tried this? Any thoughts, tips, or tools to help out?