This document provides lessons and tips for starting a company from Sophie-Charlotte Moatti, an experienced founder and product leader. Her top lessons are to #1 get a co-founder to help lead the company, #2 explore many potential business ideas before committing to one, and #3 iterate the product and business model quickly through minimal viable products. She emphasizes the importance of managing resources carefully, reaching beyond the founding team for support and expertise, focusing on building quality products and engagement funnels, and maintaining a work-life balance to sustain the long-term challenges of founding a company.