If you were the one doing the work; you could be eating real good
That 6-8 hundred he's paying you over 6 months is small potatoes compared to the cost of this project.
Did you at least get a shot at the job?
6 months seems like way
too long, even if it's done in stages
It seems like there may be a buck to be made just selling the dirt; or letting someone load it up and take it away for free. Every new house is being built up on a mound around here.