This document provides 10 things for founders to remember when starting a business. It emphasizes that most startups fail, even for successful entrepreneurs, and stresses the importance of execution. Key points include prototyping ideas quickly, understanding the business model and how the company makes money, leveraging available technologies, having the right team, developing an effective marketing strategy, establishing a solid operations plan, focusing on sales, and creating a thorough financial plan. Overall, the document advises entrepreneurs to test ideas quickly and adapt based on feedback in order to successfully launch a new venture.