Jack Kowalski, a passionate banjo teacher, shares his inspiring journey of turning a hobby into a successful $5,000/month business with just 5,300 YouTube subscribers. He reveals his effective funnel strategy that boasts a remarkable 7% opt-in rate. Jack dives into the importance of vulnerability and connection with students, detailing how his $17 tripwire product significantly boosts his income. He also shares practical tips on audience engagement, email marketing, and optimizing YouTube content for growth, proving that a small audience can still lead to big wins in online teaching.