I am so lucky--I have been approached by a major academic publisher looking for freelance work in image research. I've done this work before, but I don't feel that I earned a terribly fair wage at my last place of employment. I'm just getting more details from them about the scope of the project at this point, but I also have no idea what my rate should be.
Freelance folks, how do you figure out what is a fair price? Do you charge hourly wages or is it a flat fee for the contract? What factors should I take into account, and how do I not end up kicking myself for either pricing myself out of range or selling myself too short for what might end up being stressful work?
Then happy I, that love and am
beloved
Where I may not remove nor be removed.
--William Shakespeare (Sonnet 25)