It all depends on your book’s price and size. If you’re a traditional ebook price point (currently between $6.99 and $9.99), your editor will pay for their time and effort. If your book is cheaper than that, some of the editing may be free. We generally don’t offer editing for free, so please inquire if you’re interested in hiring one.
If you’re publishing on Kindle, your publisher/editor(s) usually pay for their work themselves (usually between 20% and 40%). Your ebook editor will probably also send you a print version of the manuscript when finished. Depending on the size of your print publishing project, this may range anywhere from $100 to $250. (A good rule of thumb about how much this varies is that most publishers, when choosing to work with an ebook publisher, charge an hourly rate for editing—that is, a rate that ranges from $5 to $20 per hour. In rare cases, there may even be a percentage of the cost paid by the author or by the publisher itself.)
For non-print books that don’t have the same level of overhead as print books, editing may be free. But even then, editing an ebook is going to be a great learning experience for your manuscript (we’ll cover how to make it better below). A typical price of editing in ebook (based on ePublishing) is $6.99–$9.99, depending on the size of the project and the size and complexity of the text. If you’re publishing on Kindle, it’ll range from $12.99 to $39.99. For most publishers, this should be reasonable and reasonable. (The $12.99 or $39.99 price range will vary depending on the type of print edition in which your ebook is published. However, the vast majority of ebooks are priced at $10 each. These range from $1.99 to $29.99.)
Editing, by the way, is pretty much what an author does from start to finish. It includes the writing process, editing, proofreading and publishing the book. It does not include the editing process or the publishing in general (though many authors claim that this is where the fun actually begins, seeing how it changes each iteration of the book). So the actual cost of an ebook editing session may be quite a lot lower than that of what you’d pay for your printed book, assuming someone else takes care of it.