I think I remember hearing that people have sold sports cars and property on ebay. Is that right? Have there been other things? Is there a maximum limit?
Someone in Tupelo, MS listed a home for sale at over $300,000. It is located across the road from Elvis’ birthplace. I don’t believe he sold it, so I mention it only as an example of what people try to sell on eBay at high prices.
Hot air balloons are expansive. I bet they’ve sold those on eBay.
Bah, that’s all chump change. I recall reading when someone was trying to flog an aircraft carrier, which apparently reached 90M US before being shut down for some reason.
Hmm. Wikipedia has a list of the 5 most expensive items ever actually sucessfully sold - check that out. 
Right now, someone’s trying to sell 97 acres of Jackson Co. Florida which is both expAnsive and expEnsive.
Thanks all for you hgihly valued and expansive answers. But Legion, that link to Scylla’s evil blimp was a gift. I takes quite a bit to have me laugh out loud, but I was doing a lot of it. Thanks.
For those of you who haven’t read about Scylla’s evil blimp from a couple of years ago, do it now!
For the life of me I can’t google a cite, but 7 or 8 years ago someone put Quebec up for sale on eBay, and I think it’s a whole lot bigger than 97 acres.
But worth less than a chunk of Florida, being infested with Canadiens and all. 
Frikken cold, too.
A business jet sold for $4.9 million today on eBay, setting the record for the highest known sale price for any single item achieved on the online marketplace, and one of the highest on the Internet.
http://www.bizjournals.com/sanjose/stories/2001/08/13/daily29.html
Well not today, that article is a few years old.