This episode explores the investment strategies and insights presented in Ed Wachenheim's book, "Common Stocks and Common Sense." The host, Kyle Grieve, analyzes Wachenheim's emphasis on common sense and contrarian thinking in investing, highlighting the book's avoidance of complex financial jargon. Against this backdrop, Grieve discusses several case studies from Wachenheim's career, including successful investments in IBM, Interstate Bakeries, and Lowe's, showcasing how Wachenheim identified undervalued companies and navigated market volatility. More significantly, the episode examines Wachenheim's less successful investment in AIG, illustrating the importance of probabilistic thinking and acknowledging that not all investments will be profitable. For instance, Grieve uses his own investment in Dino Polska to demonstrate Wachenheim's framework for evaluating changing market conditions. Ultimately, the episode emphasizes the value of long-term investing, focusing on business fundamentals, and having the courage to act during market downturns, as exemplified by Wachenheim's investments during the COVID-19 pandemic. What this means for listeners is a practical guide to value investing based on common sense principles and a contrarian mindset.