I don't know any author, myself included, who doesn't need a good proofreader. Credibility is mandatory. You know that from your experiences as a customer. Mistakes are embarrassing. Lack of clarity is even worse. Hiring an editor will always be cheaper than reprinting your documents, having your prospect point out your mistakes, or losing bids without ever knowing why. Proofreading is an investment, not an expense. Some editors will promise you two or three edits. I call them slackers. I'll reread your manuscript as many times as it takes. I proofread your document on my computer, take some time away to clear my head, print it to see what I missed, put it aside again, repeat as needed until I don't find a single mistake. Then it's ready for you. Not before then. I want your document