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  • Mental Models
  • The Infinite Investor
    • Preface & Table of Contents
    • Chapter I: The Lie of the Average
    • Chapter II: Ergodicity and Behavior
    • Chapter III: The Foundation
    • Chapter IV: The Four Buckets
    • Chapter V: The Lenses
    • Chapter VI: The Selection Process
    • Chapter VII: The Exceptions
    • Conclusion: From Finite to Infinite
Averaging Up

Category: Sizing

The Attention Cost – Why Your Smallest Positions Are Your Most Expensive

Posted on February 15, 2026February 15, 2026

Listen to the deep-dive discussion –  The Attention Cost of Bookmark Stocks (34:23 min)   “The difference between successful people and very successful people is that very successful people say no to almost everything.” — Warren Buffett The Universal Principle Every decision has two costs. The first is visible: money, time, effort. The second is…

Position Sizing – The Final Act of Conviction

Posted on February 15, 2026February 15, 2026

Listen to the deep-dive discussion –  Position Sizing Matters More Than Stock Picking (31:18 min)   “You have your best idea and your tenth-best idea in the portfolio at the same weight. Why?” — The Infinite Investor “The idea of excessive diversification is madness. Going into your seventh one rather than putting more money into…

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