Avoid Leverage
Never use leverage; it turns temporary setbacks into permanent capital loss. Duan has never used margin or leverage despite having high-conviction ideas Use only capital you can afford to lose; never borrow to invest Leverage introduces existential risk that can end your investing career Key insight: Duan is adamantly opposed to leverage in investing. Start with a minimal checklist: Does this business run smoothly?; Does it require constant management attention?; Would it succeed with average management?. Risk control is like a seatbelt.
- Does this business run smoothly?
- Does it require constant management attention?
- Would it succeed with average management?
- Look for self-sustaining businesses
Avoid misuse: Equating volatility with all forms of risk
Never use leverage in investing. Leverage can turn temporary setbacks into permanent capital loss. The tortoise beats the hare by staying in the race.
🏠 Everyday Analogy
📖 Core Interpretation
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❓ Why It Matters
🎯 How to Practice
🎙️ Master's Voice
⚔️ Practical Guide
✅ Decision Checklist
- Does this business run smoothly?
- Does it require constant management attention?
- Would it succeed with average management?
📋 Action Steps
- Look for self-sustaining businesses
- Avoid businesses requiring constant turnaround
- Value operational simplicity
🚨 Warning Signs
- Businesses requiring constant fixing
- Heavy management burden
- Operational complexity
⚠️ Common Pitfalls
📚 Case Studies
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