THE RAW TRUTH ABOUT SELF-PUBLISHING MY FIRST TECHNICAL BOOK: 800+ COPIES, $11K, AND 850 HOURS

Summary from the TLDR Web Dev newsletter

This author self-published a technical book on software architecture, selling 800 copies and earning $11,000 in royalties after 850 hours of work. He chose self-publishing for greater creative freedom and higher royalty rates compared to traditional publishing.