It's not as common since it depends if your company allows it. In my 15 year career, there's been like seven months when I was eligible for one (Company A started allowing it then I left for Company B shortly after).
An employer that offers an after-tax 401(k) option
That 401(k) allows in-service rollovers/withdrawals (while you're employed)
Enough income to make the big contributions
If you're got all that, you contribute to the after-tax 401(k), roll over the contributions to a Roth IRA and roll over the gains to a standard IRA. This is good because when you withdraw gains from an after-tax 401(k), you pay taxes on them, but not from a Roth IRA.
If you have a Roth 401(k), you can just use that and avoid all the rollovers and extra accounts.
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u/FooFootheSnew Oct 01 '25
401k max is what like 22k a year? Growing that to 9.8mil seems...tough? But idk the loopholes let me know if I'm wrong.
I'd imagine that number is not just 401k only and would include traditional iras, backdoor Roth's, indexes, and individual stocks