Only on Ebay would the price goes up when it doesn't sell

I clicked "buy it now" on a $258 camera system....it said 10 available. An hour later the seller emailed me and said he was out of that product, I checked the transaction, he modified the product description, added $1000 to the price but the product model number was the exact same. This was for item 140683537182. Called ebay...the opened an investigation. nothing was really done except it took a week to get my money back.