What contract? I doubt anyone's signing papers here.

A contract doesn't require papers. Would the guy be justifiably upset
if Jay decided... "no contract, I'll just take the ads off the system"?

as long as Jay understands that the "at cost" number is
equivalent to buying the parts retail

I would not have understood that to be the case, unless =his= cost is
retail.

Jose
--
"There are 3 secrets to the perfect landing. Unfortunately, nobody knows
what they are." - (mike).
for Email, make the obvious change in the address.