Here are 2 link that you can use I hope this helps.
I usually charge according to what I think they can pay. It's really up to u. I would expect to pay someone who had been doing it a while more than a beginner. I seldom charge more than .75 per 1000 stitches & if money is no object then I'm apt to say $1-1.25 per 1000 stitches. & most times I even get a tip of several dollars. *
I charge any where from 1. to 1.5 per 1000 stitches depending on how many color changes there are. Mary