This is the band wagon I always jump on. I'm retired from residential tree removal. We always got calls of "how much will YOU give me to take down my GIANT-DEAD-Oak tree. All up over my house and don't hurt my slate roof. You can sell the fire wood.".
So, I'm to bring a crew of men, chipper truck, stump grinder, maybe a 50 ton crain rental @$814 for 4hrs, take down the tree (don't break the slate roof), load the wood on a truck, take it back to the yard, unload it, split it, load it back up and get $200 a cord?
Even if the tree was loaded with gold, all it would do is dull my saws, and put me deeper in the hole.
First rule of life. Never Pay Someone To Let You Do Hard Work. If your in it for the log or fire wood, charge them 3 times what you think its worth. That's still gonna be half what a licenesed tree co will charge, and hope you don't get killed for being in over your head.
Seriously, I took down 3 Black Walnuts in my neighbors front yard. They were the last of a clump the original farm owner had planted as a cash crop for his grand kids. My 36 inch bar wouldn't go through at chest height. I cut them in 8'8" lenghts, went over them with a my metal detector, and stacked them by the drive way where a knuckle boom could grab them. Called every mill in the book and no one wanted them. Restacked them out of the way. A couple years later another neighbor cut them up for fire wood, Joe.