I want to sell 5 x 1070 TI.   But I am worried if I sell them on ebay I might get scammed by a buyer.  I'd sell them individually and spaced apart a couple hours to make sure I don't get the same buyer.  What are the chances I could lose a lot of money?  If I video myself showing the card put in box at the UPS store and handed over to clerk, should that be enough evidence to show ebay to prove I mailed what I promised?  I have 100% feedback over the past few years.  HOw much does ebay do to protect the sellers?  Do they insure against this?  They make enough commisions on the sales it seems like they should protect the sellers as well no?