Editing is essential, but it’s extremely difficult to edit your own work. Letting your work rest as long as possible before revising and/or editing helps view it more objectively. If you absolutely can’t afford an editor, arrange a beta exchange with another author, preferably one who’s seasoned, not just someone who will praise your work. Make sure both of you are skilled enough to do the job and clarify your expectations.
Marcha's Two-Cents Worth 
Great advice Marcha! Beta readers are a good option if hiring an editor is not possible. I cringe when a book is not edited but is a really great story.
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Me, too! And some that aren’t great could be with proper editing!
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Good beta readers are the soul of self-publishing. I offer my services as a beta when time permits.
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Next time you need a beta, Scott, let me know. I love your books, so it would be a pleasure.
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