Here are 7 common self-publishing mistakes that can hurt your book sales.
Choosing a cover design that looks cheap and signals low quality.
Publishing the manuscript without professional editing.
Failing to conduct relevant research and ignoring the target audience.
Delaying marketing until the release day.
Using vague keywords, poor categories, and a boring book description.
Paying less or no attention to formatting and interior layout.
Expecting instant wealth and failing to treat publishing like a business.

However, you can avoid these mistakes by ensuring that your book matches the competitive standards of top-tier London Book Publishing houses.