File a mail fraud report
https://postalinspectors.uspis.gov/forms/MailFraudComplaint.aspxFile a
complaint here https://www.ic3.gov/default.aspxThen call ebay to file an
appeal
Here's the thing, your listngs are on the eBay radar, so you can't make
any mistakes, even doing everything right can cause the bots to hit
you.You might consider not listing for a few weeks. Let the competition
think you quit, let the bots find new ...
Also, the USPS website has the cost for full retail postage, ebay
sellers get the commercial discount, and some get commercial plus at a
bigger discount