Originally Posted by
sponge_gto
You need to know what profit, if any, you made in order to report to the IRS anyway. So I'd suggesting working that out then consult a tax professional regarding disputing the characterization of transactions reported on a 1099-k.
If I kept a detailed spreadsheet that has my cost paid and what I sold it for and a c/p valuation -- is that enough? I also used only one card so you can see what I spent and my purchase history from ebay is pretty clear. Is this something I could do myself without a tax professional?