Yes you can.
Yes, you can. All they do is check it on your charge account
Absolutely, I do believe they track your returns with an ID though. Make sure you bring your ID or they will not. Super easy sometimes even items that didn't cone from there. If you used your card they can look it up by your card also.
Yes even years after you purchased the item.
Yes you can. . And they smile and wish you a good day. .
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