We look for businesses we can understand.
Source: Berkshire Hathaway Letters · Business
Core Idea
Invest in simple, understandable businesses, because clear operations and predictable earnings make it easier to judge value, risks, and long-term prospects, reducing costly mistakes and speculation.
Practical Application
Apply this by focusing your research, money, and patience on straightforward businesses you truly understand, so you can better judge value, avoid speculation, and stay calm through volatility.
Why It Matters
The insight is that real investing edge comes from honesty about your circle of competence, avoiding complexity so you can value businesses rationally and endure volatility without emotional, speculative decisions.