Like lawyers, consultants, and other professionals in their field, editors are professionals in the field of writing and publishing. How can you know if your editor is charging too much or if you are getting a great deal? It depends! How many years of experience does your editor have? Have they worked in or for publishing houses? What type of editing are they doing for you? Are they professionals, as in do they make a living editing, or is proofreading a side job or hobby? If you’re interested in knowing the industry standard for professional copyeditors, here’s a great resource for you:

http://www.the-efa.org/res/rates.php