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Cindy Lamothe

I Retired With Millions by 40: 3 Money Books Built My Millionaire Mindset

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Jamal Robinson is a rare example of someone who didn’t just retire early with millions, but did so intentionally, thoughtfully and without inheriting wealth. After college, he built a career across energy, power, and eventually tech, where he became an executive in the generative AI space.

But what truly set him apart was not his income — it was his behavior.

By age 39, Robinson had accumulated roughly $3.6 million across investment and cash accounts, according to CNBC, allowing him to retire early and move abroad to Dubai. He credits much of his financial clarity to reading — especially three books that shaped how he thought about money.

1. ‘The Millionaire Next Door’ by Thomas J. Stanley

This book fundamentally changed Robinson’s understanding of what wealth actually looks like. Rather than associating success with luxury cars or expensive homes, “The Millionaire Next Door” revealed that many millionaires live quietly, spend conservatively and avoid lifestyle creep.

For Robinson, this reinforced the idea that wealth is built through consistency and restraint, not appearances. It validated his decision to live below his means even as his income climbed, and helped him separate self-worth from spending.

Check Out: The No. 1 Way Americans Become Millionaires Is Pretty Boring — and Easy To Do

Learn Next: 6 Subtly Genius Moves All Wealthy People Make With Their Money

2. ‘Die With Zero’ by Bill Perkins

After years of extreme saving, Robinson realized financial independence isn’t just about accumulation — it’s also about intentional enjoyment. “Die With Zero” challenged him to rethink the purpose of money, emphasizing that experiences, health and relationships deliver the highest return on investment.

The book helped Robinson loosen the reins after retirement, shifting from a scarcity mindset to one that balances saving with living well in the present.

3. ‘The Psychology of Money’ by Morgan Housel

Robinson credits this book with helping him understand the emotional and behavioral side of finance. “The Psychology of Money” highlights how personal history, fear and bias shape financial decisions more than spreadsheets do.

For Robinson, it reinforced patience, humility and long-term thinking — traits that allowed him to stay invested, avoid impulsive moves and remain focused on his own goals rather than comparison.

Lessons Learned

Robinson’s story stands out because it shows that financial independence is not just a math problem — it’s a mindset shift. High income alone didn’t make him wealthy; discipline, emotional awareness and intentional choices did. 

The real lesson isn’t to save 90% of your income, but to understand why you’re saving in the first place. Money is most powerful when it supports the life you actually want, but not when it becomes the goal itself.

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This article originally appeared on GOBankingRates.com: I Retired With Millions by 40: 3 Money Books Built My Millionaire Mindset

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