My First Million
My First Million

Best of MFM: Listen To This Before You Invest Another Dollar

March 25, 2026

AI Summary

5 min read

In a "best of" episode of My First Million, the hosts challenge a guest investor to explain turning $10,000 into $1 million, prompting a discussion on patient compounding, behavioral pitfalls, and why most people fail at investing despite simple math. Drawing from Warren Buffett, historical data, and personal experience running a fund, the guest outlines low-risk paths grounded in psychology and long-term discipline, while cautioning against overhyped markets.

Compounding as the core engine

The guest reframes the $10K-to-$1M challenge not as a quick flip but as steady accumulation via a day job, living below earnings, and annual savings. Instead of the S&P 500—currently overheated at a PE ratio of 23, where historical data shows 10-year annualized returns ranging from -2% to +2% with no exceptions—dollar-cost average into Berkshire Hathaway Class B shares as a safer "index." At 10% annual returns (reasonable for Berkshire), the rule of 72 means doubling every 7.2 years. For a 20-something with $10K starting and ongoing savings, seven doubles over 49 years yield 128x growth, exceeding $1.3 million pre-tax, with no dividends triggering taxes.

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What you'll learn

  • 1 (00:00) **🎙️ Introduction: Howard Marks**
  • 2 (01:44) **Compounding Math with Berkshire**
  • 3 (04:08) **Advice for S&P 500 Investors Like Sam**
  • 4 (05:49) **Market Timing: Be Prudent When Others Are Imprudent**
  • 5 (08:09) **S&P PE Ratio and Historical Returns**
  • 6 (09:38) **Managing Psychology During Underperformance**
  • 7 (12:20) **Finite vs. Infinite Games in Investing**

+ Full timestamped outline available in the app

Show Notes

Want to invest like the best? Get Mohnish's investment playbook: https://clickhubspot.com/jbhm


Episode 808: In this special episode, we’re pulling together the most replayed moments from our episodes with value investors like Mohnish Pabrai, Howard Marks and Guy Spier. 

Show Notes: 

(0:00) Mohnish Pabrai: How to turn $10K into $1M

(3:56) Howard Marks: The S&P 500

(9:29) Guy Spier: Finite and Infinite Games

(14:47) Mohnish Pabrai: Circle the wagons

(17:58) Howard Marks: Recommended Reading

(23:03) Mohnish Pabrai: The most important thing

(27:16) Howard Marks: “When the time comes to buy, you won’t want to” 

(31:17) Guy Spier: Don’t study lottery winners



Check Out Sam's Stuff:

• Hampton (joinhampton.com): My community for founders. Average member does $25m/year. Many of the guests are members. Get after it...apply: http://joinhampton.com/mfm

Check Out Shaan's Stuff:

• Shaan's weekly email - https://www.shaanpuri.com 

• Visit https://www.somewhere.com/mfm to hire worldwide talent like Shaan and get $500 off for being an MFM listener. Hire developers, assistants, marketing pros, sales teams and more for 80% less than US equivalents.

• Mercury - Need a bank for your company? Go check out Mercury (mercury.com). Shaan uses it for all of his companies!

Mercury is a financial technology company, not an FDIC-insured bank. Banking services provided by Choice Financial Group, Column, N.A., and Evolve Bank & Trust, Members FDIC

• I run all my newsletters on Beehiiv and you should too + we're giving away $10k to our favorite newsletter, check it out:

beehiiv.com/mfm-challenge

My First Million is a HubSpot Original Podcast // Brought to you by HubSpot Media // Production by Arie Desormeaux // Editing by Ezra Bakker Trupiano /


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