User Activity

I bought an item that is locked to a supplier. I want to return it, but the "return item" process is not working, I get the "it's not you it's us" page. I was told by your tech support to clear history and cache which I've done, I even tried a differ...
Has anyone had an experience where you recieve an item, go to install it a month or two later and find its faulty.? Contact seller, seller is slow to respond (appears to be stalling) and finally offers to send you a replacement. The replacement doesn...