📖Charlie Munger

Sit on Your Ass Investing

🌿 Intermediate★★★★★

Doing nothing is the most profitable — and most difficult — strategy in investing.

💬

Sit on your ass investing. You're paying less to brokers, you're listening to less nonsense...

— Munger Speech，2000

🏠 Everyday Analogy

Just like cultivating a fine tree, once you have selected the right variety, the key is to water and fertilize it—there is no need to dig it up daily to check how the roots are growing. Constant disturbance will only damage the roots; quiet patience is what allows it to grow into a towering tree.

📖 Core Interpretation

After buying into good companies, sit tight and wait, minimizing trading and noise.
💎 Key Insight：Munger's "sit on your ass" approach means paying fewer commissions, less tax, and listening to less noise. The difficulty is psychological: humans are wired for action. Sitting still while markets fluctuate feels wrong, but it's usually right. The best investors spend 99% of their time reading and thinking, and 1% acting.

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❓ Why It Matters

Frequent trading is typically a destroyer of value, while patience is a scarce resource in investing.

🎯 How to Practice

Establish a minimum holding period after investment, disregarding short-term fluctuations and market noise.

🎙️ Master's Voice

A great business at a fair price is superior to a fair business at a great price.
Munger shifted Buffett from pure Graham-style bargain hunting to quality investing. Great businesses compound; mediocre ones decay even at low prices.

⚔️ Practical Guide

✅ Decision Checklist

  • Is this a great or mediocre business?
  • Will quality overcome valuation?
  • Would I prefer this at a fair price or a bargain elsewhere?

📋 Action Steps

  1. Prioritize business quality
  2. Pay fair prices for excellence
  3. Avoid cheap mediocrity

🚨 Warning Signs

  • Buying cheap without quality
  • Ignoring great companies due to price
  • Valuation over quality obsession

⚠️ Common Pitfalls

✕Not completely disregarding
✕Continuously monitor the company's fundamentals.

📚 Case Studies

1
Washington Post Investment (1973)
Munger and Buffett bought shares when the Post was deeply undervalued amid newspaper pessimism and market turmoil.
✨ Outcome：Held for decades; investment compounded over 100x, illustrating patience, concentration, and sitting tight with a superb business.
2
See’s Candies Purchase (1972)
Berkshire and Munger bought See’s Candies, paying a seemingly high price for a quality brand with strong pricing power.
✨ Outcome：Massive long-term returns from reinvested earnings and price increases, reinforcing the value of sitting on a wonderful business.

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