By the day. Look at your work. Look at mine. You pick the level of copyediting or writing revision service you need. Enjoy confidence in the presentation of every written document bearing your signature.
First impressions are lasting impressions.
Compete like the professional you are. The words come out of you like toothpaste sometimes. Great documents aren't just written . . . Editors and publishers want properly formatted, clean copy. Fierce competition demands writing mechanics expertise.