Not a single comment re. me doubling the commission rate?
Come on; this is unacceptable gouging. Who does he think he is. Etc?
It does seem like quite a jump to go from 5% to 10%, but it's your site and if people don't like it they don't have to be invested in it. I'm sure you'll just keep moving it up as long as people don't seem to say much regarding it.