My side hustle made $10,000 in a month. It convinced me to leave my law career.

Courtesy of Greg Smith

• Greg Smith started tutoring the LSAT in law school.
• He automated a course and out-earned his lawyer salary selling it.
• He grew and scaled a learning platform that now generates $75 million in annual revenue.

This as-told-to essay is based on a conversation with Greg Smith, CEO of Thinkific. It has been edited for length and clarity.

I became interested in corporate law because of the role lawyers play in pivotal business decisions.