I've interviewed dozens of FIRE investors who focus on earning more, and learned the easiest side hustle is often the most time-consuming

The article discusses how financially independent investors prioritize earning more money through side hustles to achieve financial freedom. It highlights examples like Laurie-Anne King and Britt Baker of Dow Janes, Grant Sabatier's book 'Financial Freedom,' and the author's own struggles with launching a profitable e-commerce business selling pickleball paddles.