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Warren Buffett has long warned investors about the perils of unrealistic expectations—especially when it comes to projecting high growth rates over long periods of time. No matter how promising a company appears, assuming it will sustain rapid growth indefinitely can be a costly mistake.

At the 2004 Berkshire Hathaway Annual Meeting, Buffett cautioned, “The idea of projecting out extremely high growth rates for very long periods of time has caused investors to lose, you know, very, very large sums of money.”

While some management teams may talk up their company’s limitless potential, Buffett remains skeptical. “There are a lot of managements around who like to think their stocks are worth infinity,” he said wryly. “But we haven’t found one yet.”

He pointed to historical data as a reality check. Few companies on the Fortune 500 have managed to consistently grow earnings above 10% for decades. And once you start projecting 15% or more, Buffett notes, “you’re in the rarified atmosphere.”

Buffett and his longtime partner Charlie Munger are famously conservative in their growth projections. Their approach is a reminder that long-term investing success comes not from bold assumptions, but from disciplined, realistic expectations.

Hear Buffett’s full explanation

See the complete Lessons From Warren Buffett series

© 2025 David Mazor

Disclosure: David Mazor is a freelance writer focusing on Berkshire Hathaway. The author is long in Berkshire Hathaway, and this article is not a recommendation on whether to buy or sell the stock. The information contained in this article should not be construed as personalized or individualized investment advice. Past performance is no guarantee of future results.

When businesses publish their prospectuses or annual reports, they typically list a wide range of risks—economic downturns, regulatory changes, competitive threats, and more. But according to legendary investor Warren Buffett, the most dangerous risk is the one that almost never gets mentioned: bad management.

Speaking at the 2021 Berkshire Hathaway Annual Meeting, Buffett highlighted this often-overlooked threat. “The number one risk factor, you never see it,” he said. “The number one risk factor is that this business gets the wrong management.”

Buffett explained that poor leadership can be masked by charm and surface-level competence. “You get a guy or a woman in charge… they’re personable, the directors like them. They don’t know what they’re doing, but they know how to put on an appearance.”

This kind of mismanagement can quietly erode a company over years, especially if leadership clings to failing strategies or industries. And because risk disclosures are typically drafted by lawyers focused on legal compliance, this critical issue rarely makes the list.

In Buffett’s view, the real threat isn’t in what’s disclosed—but in what’s left unsaid.

Hear Buffett’s full explanation

See the complete Lessons From Warren Buffett series

© 2025 David Mazor

Disclosure: David Mazor is a freelance writer focusing on Berkshire Hathaway. The author is long in Berkshire Hathaway, and this article is not a recommendation on whether to buy or sell the stock. The information contained in this article should not be construed as personalized or individualized investment advice. Past performance is no guarantee of future results.

Warren Buffett has long argued that the interests of Wall Street and those of long-term investors are not always aligned. While successful investing often means buying quality businesses and holding them for decades, that approach generates little revenue for brokerage firms. Frequent trading, by contrast, produces a steady stream of commissions and fees.

In a CNBC interview in July 2026, Buffett summed up the difference with his characteristic wit: “Since humans like to gamble so much, there’s more money in actually cultivating gamblers than there are in cultivating investors.” His observation highlights a timeless lesson: investors should be mindful of incentives and avoid confusing market activity with investment success. Patience and discipline, rather than constant trading, have been the foundation of Buffett’s long-term approach to building wealth.

©2026 David Mazor

Disclosure: David Mazor is a freelance writer focusing on Berkshire Hathaway. The author is long in Berkshire Hathaway, and this article is not a recommendation on whether to buy or sell the stock. The information contained in this article should not be construed as personalized or individualized investment advice. Past performance is no guarantee of future results.