since it sounds like it would be "found" money, maybe the expectation would be a little lower, but not sure.
I would think between $500 and $1000 would be on target.
Was the project originally a compensated project, or something you just did for fun? If his direct mail campaign is costing $2000 total, he's probably not interested in spending an additional $1000 for it, but who knows. Hopefully you get what you feel is decent! Hard work and time should be compensated.
Yes, the project was originally just a "for fun" project, so any $ would be found bucks. Not only that, but there was originally no thought given to distribution or exposure, which has been minimal. So any more eyeballs are probably new eyeballs, which is good.
All that to agree with you that expectations should probably tempered somewhat.
I'll follow up with the results.
Pierre
PS. Also apologies, this should have had "OT" in the topic line