Hmm, it wouldn't even occur to me that a person has more than one ID; I
didn't even know that was allowed. TBH, someone having multiple IDs
would seem even more suspicious to me. "Discrimination based on
Feedback" also seems farfetched to me. Years a...
One thing you can do is not to ship things imediately. Wait at least a
few days - I wait until I've checked out the feedback and history of the
winner/buyer (and the money is in my bank, not sitting in PayPal). I
once had a buyer with zero feedback, ...