12-08-2017 8:08 PM
OK that's fine. But if you have blocked her she could not bid with you again? Whatever happened I doubt eBay is "investigating" though and even if they were you will not get to hear.
If you had opened non-payer cases on all 4 occasions then you would have - in effect - stopped her buying from many many sellers.
Have you set your preferences - for instance - to stop people with 2 non-payer cases?