If you use ebay, check this out

THIS really stinks.

Here's part of the article:
It isn't just the fee structure that has sellers out of sorts: eBay also changed its feedback system so that sellers cannot give a negative or neutral rating to buyers.
"Sellers will no longer have a way to protect themselves against bad buyers, deadbeat bidders, scam artists, buyers who make unreasonable demands, buyers who don't read the ad then demand a refund, the list goes on and on," one merchant wrote in a forum.