This circle of competence mug puts one of Warren Buffett’s most important investing ideas on your desk: only invest in what you truly understand. It’s a high-quality ceramic coffee mug and a thoughtful gift for disciplined investors and Buffett fans.
What is the circle of competence?
In Buffett’s words: “You only have to be able to evaluate companies within your circle of competence. The size of that circle is not very important; knowing its boundaries, however, is vital.”
Inside your circle, you have an edge. Step outside it, and the edge passes to people who know more than you. As Farnam Street puts it, being good at one thing doesn’t make you good at everything. For examples of Buffett’s hits and misses, read our article Circle of Competence: How Warren Buffett Makes Better Investment Decisions.
Product details
- High-quality ceramic mug with an easy-grip C-handle
- A different design and quote on each side
- Available in 11 oz or 15 oz
- Sublimation printed on both sides, so the print doesn’t fade
- Dishwasher and microwave safe
FAQ
Who came up with the circle of competence?
Warren Buffett, who described it in his 1996 letter to Berkshire Hathaway shareholders. Charlie Munger also used the idea often.
Is the mug dishwasher safe?
Yes, it’s dishwasher and microwave safe.
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