Went to a new property that was a pain in the ass. Not to large in sq ft. maybe 3000, but a massive hill. I cut the hill, the back yard, and the sidewalk island (it is a corner lot in and urban area St. Louis City) with a trimmer. The only way to get a mower into the back yard was going up this hill, and because there was all sorts of construction debris laying around due to rehab, I cut the whole mother with my trimmer. Trust me, I think it was the best way. What to charge? Busting my ass I hacked it all down in 30 min...My forearms are burning and I want to get paid. What is fair?