Well, since you offered to pay listing fees, and I would also offer to pay the difference between your winning bid and the 2nd chance if it's not a huge amount to show you are geniune. I had a seller do something similar and told her I would send out the 2nd chance offer to see how that went. Luckily for me, the 2nd chance offer worked and rather than the listing fee she just sent me the $10.00 difference in the prices, I also sent her the invoice the other seller got to see the difference.