Tom Hirst consistently earns over $100,000 / year, even though he's never had proper job. Tom's found success as a freelance WordPress developer, working on projects for the likes of England's National Health Service, sportswear brand Umbro, and Facebook.
Tom also writes about the business of freelancing and mentors other freelancers. Tom is the author of two eBooks: 10 Steps To Becoming A Better Freelancer and Pricing Freelance Projects, and the creator of the video course, The Personal Website Playbook.
You can find all of these resources and more on Tom's website here: https://www.tomhirst.com/links/