Quick Read – The traditional pre-tax Solo 401(k) is the right choice for self-employed earners in the top federal tax bracket who live in California, New York, or New Jersey, with stable peak earnings and a realistic expectation of a lower bracket in retirement. – It works…
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On a recent episode of NerdWallet’s Smart Money Podcast titled Is College Worth It in 2026? Plus, How to Split Solo 401(k) Contributions to Save More, the host made a claim that gets attention fast: “By putting $72,000 in, you basically get a $30,000-plus tax benefit.” The pitch is that a self-employed earner can shovel up to $72,000 into a Solo 401(k), skip tax on every dollar of it this year, and let it grow tax-deferred until withdrawal. The stakes matter because that headline number assumes a tax profile most self-employed Americans do not have.
If you act on it without checking the math, you can easily over-contribute, mis-elect Roth versus traditional, or expect a refund check that never arrives. The Verdict: Right Math, Narrow Audience The claim is mathematically correct, but it only lands for a specific profile: a top-bracket earner in a high-tax state. To save $30,000-plus on a $72,000 contribution, your combined federal and state marginal rate has to clear roughly 42%.