[ElieMK]

The problem is that companies require to see the item, and make sure the item is in new, un-used working condition before they process the refund.

But you're referring to boxing the company as per below.

You can’t do the boxed method/ won’t work as well

Which means that you give the appearance as though the package was tampered with, and the Item stolen In transit.

That may be the case, but companies that are not amazon only give you the return address and require you to post it back to them, also requiring you to have some form of tracking and proof.

If that is returned that way, then liability will be on the person returning it rather than the company, in the same way that we pin it on the company when we dna..