Unable to do that as well. Only thing I am able to do is add more information to the auction. Just under 5 days left. Just keep watching and bidding if you are no longer the high bidder.
if I knew how to set up gin I would completely be willing to do that. i dont know if I can still set that up. I do most of this through my phone and never saw an option for that. i can check when I get home onto a computer if I can do that for u