The Most Underrated Part of Berkshire Hathaway Has Nothing to Do With Its Cash Pile

While Berkshire Hathaway's $400 billion cash hoard receives attention, the article argues that the company's true competitive advantage lies in its insurance float—the premiums collected that can be invested aggressively in stocks and acquisitions. Under new CEO Greg Abel, this core business model remains unchanged, and the float continues to be the engine driving Berkshire's long-term success.