I would have definitely got the key marks out for the OP as long as they weren't down to primer and needing the door repainted. Or at least lessened them significantly so they aren't as noticeable. On a gray metallic like that wouldn't have been too hard of a job.
- Asking price isn't too bad considering the amount of work done, I get it that he is trying to recoup a bit of the costs he just laid out for maintenance.