The author, a former Fortune 500 employee, decided to leave their corporate job to test their entrepreneurial skills without the security of a salary. They launched an online coaching business as a solopreneur in January 2020 but quickly realized they weren't prepared and had to turn back to the structure they learned in big business. The author shares seven lessons from their corporate experience that helped them launch and run their solopreneur business, including defining personal vision and values, promoting themselves as CEO, bootstrapping their budget, using coffee as currency, doing quarterly performance reviews, finding a work rhythm, and considering their future org chart. These lessons helped the author prioritize their work, manage their time effectively, and create a successful online coaching business that aligns with their values and vision.