There should be something changed about the for sale section. If a person misses ONE thing, it automaticlly erases everything the person just spent writing and has to start all over.
If you fill in less than 3 characters in the main description box it will pop up a context box which you can close and continue on uninterrupted. If you miss anything else then you're sent to a new page which if you navigate "back" from, then you've lost all of the information you've entered...