@RaifHok thanks! interesting that eBay fees/shipping/refunds are not deductible since I never collected them as they were automatically deduced by eBay from the...
@GeorgeM777 soI should enter the number as though I sold post-split, i.e. 30 shares at $100, even though on the 1099-B it shows the pre-split values, i.e. 10 sh...