Uploading a book to Amazon is free. Publishing a book that competes with professionally published titles is not. The real cost depends on how much help your book needs and which parts you can do well yourself. Here is how the money usually breaks down, and where it matters most.
Editing is usually the biggest cost
Editing is priced by word count, so longer books cost more. Rates vary by level of edit. Proofreading is the lightest touch and the least expensive. Copyediting and line editing cost more because they work on every sentence. Developmental editing, which tackles structure and story, is typically the most expensive per word. For an 80,000-word novel, a full professional edit commonly runs into the low thousands of dollars.
It is also where money has the greatest effect. Readers forgive a plain cover more readily than a book full of errors, and poor editing shows up in reviews quickly.
Cover design
A custom cover from a professional designer typically costs a few hundred dollars for an ebook front and more for a full print wrap with spine and back cover. Premium illustrated covers cost more again. Pre-made covers are cheaper but shared by other books and rarely fit a specific story perfectly.
Formatting
Interior formatting for a straightforward text book is one of the more affordable services. Costs rise for books with images, tables, footnotes, workbooks and anything that needs a fixed layout. Formatting the ebook and print editions together usually costs less than doing them separately.
ISBNs
Amazon provides free ISBNs for print editions published through KDP, and ebooks on Kindle do not need one at all. If you want your own imprint name listed as the publisher, you buy ISBNs from the official agency in your country. In the United States a single ISBN costs considerably more per number than a block of ten, so authors planning several formats or books often buy the block.
Ghostwriting
If you are hiring someone to write the book, writing becomes the largest cost by far. Ghostwriting is priced on length, research and complexity, and full-length books from experienced writers represent a substantial investment. It is best judged against what the book will do for you, whether that is building a business, preserving a family story or launching a writing career.
Marketing
Marketing has the widest range because you control the budget. Some authors spend almost nothing beyond their time. Others invest in launch support, review campaigns, an author website and ongoing Amazon ads. The most reliable approach is to start small, measure what works and scale only the activities that pay back.
Bundled services versus hiring separately
You can hire an editor, designer and formatter separately and manage them yourself. You will spend time coordinating handovers, and problems tend to appear in the gaps, such as a cover spine that no longer matches a page count that changed after editing. A full-service team costs about the same as good separate freelancers in many cases, and one person is accountable for the whole book.
Where to spend and where to save
If budget is tight, prioritise in this order: editing, then cover, then formatting. Those three decide whether readers trust your book. Marketing spend works far better once they are right. Avoid any company that asks for a share of your royalties or ownership of your rights in exchange for publishing. You should pay for services, not give away your book.
Frequently asked questions
Can I self-publish a book for free?
Technically yes, if you do the editing, design and formatting yourself. Most authors find that paying for at least editing and a professional cover makes a large difference to how the book is received.
Is it cheaper to publish an ebook only?
Yes. An ebook needs no print cover wrap, no proof copies and no printing costs, so it is the lowest-cost way to publish. Many authors add a paperback later.
Should I pay a company that takes a share of my royalties?
We advise against it. You can pay for publishing services and keep all of your royalties and rights.