Why, you ask, would an editor give advice on how to save you money on her services? Won’t that make less money for her, you ask? In the short term, yes. But looking at the bigger picture, you’ll get a better editing job if I don’t have to worry as much about the small stuff. Therefore, I would love it if you’d read and take to heart this article on running spell check before submitting your work for editing. Thanks to libroediting.com for their wise words.