I’m sorry you had a bad experience on Fiverr. I feel like their cheerleader right now but I know there are some terrible sellers there … always have been. You can’t even always tell by the gig description because some sellers simply copy the description of someone else. But reviews do not lie. Hire someone with no fewer than 500 reviews, I would say, and all positive.
OUR EDITORS are confident, calculated, experienced and ruthless. We tend to look for people with at least an MA in Literature and 2 years of full-time book editing experience, but will also give editors a chance if they’ve edited at least 10 books and can provide references from happy clients; or if they’re successful authors themselves who have published several books.
First, decide whether your time or your money is worth more to you right now. You can greatly reduce the amount of money your project will cost by investing more time, and vice versa. If time is no object, you may want to spend some hours in the library reading style manuals and going through your manuscript with a fine-toothed comb so that when you do hire an editor, (s)he will be able to zip through it quickly. If you end up deciding that’s more effort than you want to invest, then you will at least find the monetary cost of hiring someone to do it for you a less bitter pill to swallow.