"Million-Dollar Newsletter and Podcast Success: The Power of Hard Work Over Twitter"

Lenny Rachitsky, a 42-year-old entrepreneur, earns over $1 million a year from his newsletter and podcast focused on product management. He advises aspiring entrepreneurs to gain experience in their field before offering advice, emphasizing the importance of deep knowledge and real-world experience. Rachitsky worked in product management and software engineering for over a decade before starting his ventures, and he believes in "doing the work for a long time first" before sharing advice, urging others to "stop tweeting and do the work."