The Little Book That Builds Wealth: The Knockout Formula for Finding Great Investments

unless a company has some kind of economic moat, predicting how much shareholder value it will create in the future is pretty much a crapshoot, regardless of what the historical track record looks like. Looking at the numbers is a start, but it’s only a start. Thinking carefully about the strength of the company’s competitive advantage, and how it will (or won’t) be able to keep the competition at bay, is a critical next step.

Even the Best Company Will Hurt Your Portfolio If You Pay Too Much for It.

Thinking about moats can protect your investment capital in a number of ways. For one thing, it enforces investment discipline, making it less likely that you will overpay for a hot company with a shaky competitive advantage. High returns on capital will always be competed away eventually, and for most companies—and their investors—the regression is fast and painful.

The best engineer in the world can’t build a 10-story sandcastle.

you can simply buy wonderful companies at reasonable prices, and let those companies compound cash over long periods of time. Surprisingly, there aren’t all that many money managers who follow this strategy, even though it’s the one used by some of the world’s most successful investors. (Warren Buffett is the best-known.)