Beginner friendly: Moderate

Writing a book can be a moderately easy side hustle to start for the average beginner. With dedication and research, anyone can begin the writing process. Online resources like writing forums, YouTube tutorials, and writing blogs can provide valuable guidance and tips. However, self-publishing and marketing the book may require additional knowledge and effort. Costs range from $0 to hire an editor or cover designer. Time to profit can vary widely, but typically ranges from 6 months to 2 years. I'd rate it a 3 because while the initial writing phase is accessible to beginners, the marketing and publishing aspects may present challenges without prior experience.