If it has disappeared completely, that sounds like ebay removed the
listing. I would call and find out. If ebay removed the listing, you
should be able to get your money sooner.
Buyer feedback is always going to be 100% positive since buyers cannot
received negs any more. As a buyer I always leave feedback once I
receive my item. As a seller I generally leave it after payment. But on
both fronts, sometimes I get it back and ...