so far I've paid about 100 dollars an hour... my first one that you see the the left here.. was two 3 hour sessions and I paid 100 dollars an hour but I think he cut me a deal and took an hour or two off and then I tipped an hour.
My second on my back took about 8 hours I'm guessing but he charged me only 500 dollars I think. Part of this might have been the fact I flew in from out of town, and got a hotel and rental car, drove 4 hours each way to get to him.

I again tipped an hour.