This document summarizes a presentation on building and bootstrapping startups. The presentation covered common mistakes startups make, tips for bootstrapping, and tips for raising angel funding. Prashant Pansare, a serial entrepreneur and angel investor, discussed underestimating the effort required, building teams of friends rather than skills, and selling before validating with customers as top mistakes. He provided tips like reducing personal liabilities, finding cheaper growth hacks, and continuously growing however small. For pitching investors, he emphasized understanding the audience, defining the goal, and having a demonstration as must-haves.