Your competition would include sites like GigMasters, which do (only) that -- which could be good and bad. But if you've got 400K users paying $0 right now, it

Your competition would include sites like GigMasters, which do (only) that -- which could be good and bad. But if you've got 400K users paying $0 right now, it probably wouldn't be hard to undercut $200 + 5%, for offering booking support.