Warren Buffett's 90/10 Rule vs. the 3 ETF Portfolio: Which Builds More Wealth After 40?

Warren Buffett's 90/10 Rule vs. The 3 ETF Portfolio: Which One Actually Builds More Wealth After 40? If you're over 40, you don't have 50 years left to recover from a bad investing decision — which is exactly why the advice flooding your feed for 25-year-olds won't cut it anymore. In this video, we break down two of the most popular long-term investing strategies — Warren Buffett's famous 90/10 Rule and the increasingly popular 3 Fund / 3 ETF Portfolio — and put them head-to-head using real historical crashes (2000, 2008, 2020, and 2022) to find out which one actually builds more wealth after age 40. You'll meet three investors — including David, a 48-year-old with a portfolio that looked smarter on paper than almost anyone else's, and the one costly decision that ended up costing him over a decade of compounding. Along the way, we cover sequence of returns risk, why diversification can feel like dead weight for years before it saves you, the real data on actively managed funds vs. index funds, and why the investor almost always matters more than the portfolio. In this video: 00:00 The two paths (and the hidden third one) The 90/10 Rule explained The 3 ETF Portfolio explained What 2000, 2008, 2020 and 2022 actually taught investors Sequence of returns risk after 40 Why "smarter" portfolios don't always win The real reason most investors underperform their own funds Which strategy fits your personality and risk tolerance If you're planning your retirement investing strategy in your 40s, 50s, or 60s, this comparison will change how you think about risk, diversification, and discipline. 🔔 Subscribe for more straight-talk breakdowns on investing, retirement planning, and building long-term wealth — no hype, no hidden agenda. 👍 If this gave you clarity, share it with someone who keeps switching investment strategies every few months. Watch next: The Biggest Retirement Mistake People Make in Their Last 5 Working Years Topics covered: Warren Buffett investing strategy, 9

Added 2 Jul 2026