Brands are often overlooked in M&A planning despite accounting for most of the value of acquisitions. The document discusses how brands create value for companies through price premiums, sales volumes, stable earnings, and new revenue streams. It emphasizes the importance of thoroughly understanding a brand's legal protections, future earnings potential, management capabilities, financial reporting, and tax implications to avoid overpaying or missing acquisition opportunities due to undervaluing brands. Failing to properly account for brands in M&A planning can lead to billions in losses, as demonstrated by Quaker Oats' $1.7 billion acquisition and $300 million resale of Snapple.