This seems to be a lack of communication on fees. Ebay should communicate estimate when you set the price. I know http://reverb.com http://reverb.com does this,

This seems to be a lack of communication on fees. Ebay should communicate estimate when you set the price. I know http://reverb.com http://reverb.com does this, they show you exactly how much they will take in a chart during the posting wizard before you hit submit.