Warren Buffett's 'vital' tip for valuating companies before you invest, says 'don't have to be an expert'

Warren Buffett, the billionaire investor, emphasized long-term investments in businesses with enduring competitive advantages. He advises focusing on companies within one's "circle of competence," prioritizing long-term earnings growth over short-term performance. Buffett's successful investments in See's Candies and Coca-Cola exemplify this approach. In a 1996 letter to shareholders, Warren Buffett gave a vital tip for valuating companies before investing.