Quick Read – NerdWallet’s Smart Money Podcast aired a segment most W-2 employees with side income have never had explained clearly. – Your day-job 401(k) and your Solo 401(k) are two separate plans, so the employer contribution stacks across both, while the employee deferral…
mains a single shared cap. – NerdWallet’s Smart Money Podcast aired a segment that most W-2 employees with side income have never had explained clearly. The host laid out the rule that determines whether a side hustle can double your retirement savings
Or quietly trigger an IRS overcontribution penalty: “If you are working at a company that has a 401(k) plan and you want to do the solo 401(k), you have to be mindful of the employee portion. So that’s the $24,500.” The stakes are concrete. Mismanage the split, and you owe excess-deferral taxes plus a corrective distribution.
Manage it correctly, and you can shelter tens of thousands more per year than a coworker without 1099 income. That matters more now that the personal savings rate has slipped to 4% in the first quarter of 2026. The Verdict: The Advice Is Right, And the Math Is Why The host’s framing is correct, and the mechanic she describes is one of the most powerful tax shelters available to anyone with self-employment income.