Some suggested that the «good» self - published books stand out by virtue of the author having invested in professional cover design, formatting and editing. (lauramhughes.com)
Keep on blogging, tweeting, getting professional cover design and editing. (ryancaseybooks.com)
I did spend money on professional cover design and professional editing, but that's because I want to make a career out of my writing. (ryancaseybooks.com)