Cody Berman had the $80,000 corporate job straight out of college, the four-hour daily commute, and the career path everyone said he should want. He hated all of it. By 25, he was financially free — not because he stumbled into crypto or built a unicorn startup, but because he obsessively maximized the gap between what he made and what he spent, tried 30 different side hustles until a few of them worked, and built a life around what he actually valued. His new book is called Retire by 30. This episode is the conversation behind it.
What You’ll Walk Away With
- Why the title Retire by 30 is deliberately misleading — and what Cody says the book is actually about
- The gap: why the spread between income and expenses matters more than your investment returns, especially at the beginning
- How Cody’s co-host Justin hit financial freedom at 30 without a single side hustle — just strategic corporate moves, index funds, and a 75-80% savings rate
- The house hacking math: why living in a multi-family property created a $3,000+ monthly swing compared to friends paying Boston rent
- What happened when Cody tried to sell Lauren on FIRE using a spreadsheet — and the reframe that actually worked
- Why the big three (housing, transportation, food) move the needle infinitely more than cutting lattes and canceling Netflix
- The 30-side-hustle graveyard: which ones were the worst, which one was the most ridiculous, and the one breakout that still generates income today
- Purple’s story: how someone retired on $500,000 and now has $1.1 million without adding another dollar to the pile
- The surprising thing financial freedom actually teaches you about yourself — and why it’s never a money problem after you hit the number
- What AI is actually good at for personal finance — and why the more you already know, the better its answers get
Why This Matters Now
Whether you’re 25 or 55, the math Cody lays out is the same: find the gap, protect the gap, invest the difference, and build a life you don’t need to escape from. The age you start determines the timeline, not the framework. This episode is the one to send to anyone in their 20s who hasn’t started — and anyone in their 40s who thinks it’s too late.
From the Basement
Cody Berman joins Joe and OG — who is recording from inside Hollywood Studios at Coach Con — to walk through the Retire by 30 framework, the 30 side hustles he actually tried, and the case studies from the book that prove it works in wildly different ways. The USA Today AI financial advice headline gives OG a full platform to explain where AI is genuinely useful, where it confidently hallucinates IRS codes, and why it apparently tried to blackmail a corporate email server. Doug arrives with Trader Joe’s trivia after discovering the hard way that cider contains alcohol. Stacker Molly gets her HYSA cleared of all charges.
Resources Mentioned
Stacking Benjamins Community — stackingbenjamins.com/basement
Retire by 30 by Cody Berman — retireby30book.com; also available wherever books are sold
Cody Berman — Financial Independence Show podcast; co-hosted with Justin
A Purple Life blog — referenced as a case study; apurplelife.net
USA Today — “Half of Americans get financial advice from AI, but is it any good?” by Daniel DeVise
Acquired podcast — recommended for Trader Joe’s, Coca-Cola, and Mars episode deep dives
The College Investor with Robert Farrington — referenced for prior AI financial advice accuracy testing
Stacking Benjamins Vault — stackingbenjamins.com/vault
Stacking Benjamins Scorecard — stackingbenjamins.com/scorecard
Stacking Benjamins Newsletter (The 201) — stackingbenjamins.com/201
Stacking Benjamins BAD Groups — stackingbenjamins.com/bad
Monday Mentor: Cody Berman
Big thanks to Cody Berman for joining us today. To learn more about Cody, visit Home – Cody Berman. Grab yourself a copy of the book Retire by 30: How to Build Wealth, Gain Freedom, and Live Life on Your Own Terms
Our Headline
Doug’s Trivia
- What chain of stores, now owned by Aldi, did Joe Coulombe start back in 1967?
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Other Mentions
- Write additional info included in today’s show (websites, books, apps, etc)
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Tune in on Friday when we dive into how do you break free from feeling strapped, even as you make more money?
Written by: Kevin Bailey
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Episode transcript
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