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Small-Scale Question Sunday for September 28, 2025

Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?

This is your opportunity to ask questions. No question too simple or too silly.

Culture war topics are accepted, and proposals for a better intro post are appreciated.

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The so-called “Shoebox Strategy” for an HSA seems to me to be strictly wrong for most people:

  1. If you execute the shoebox strategy, your money will remain in the HSA to grow “probably, hopefully, mostly tax-free” and you will be responsible for storing the receipts for more years than you would otherwise.
  2. If you instead cash out the amount right away and then coincidentally make a Roth contribution of an equal amount, then your money will be growing “surely tax-free”, which is generally better, and you get to immediately start the 7-year timer to be allowed to throw away your receipts.
  3. If you are already maxing out every tax-advantaged channel, and so cannot implement strategy (2), you should at least consider just withdrawing it and making a straight-up investment in some tax-efficient growth asset, since you're probably in a position to take advantage of the “surely tax-free” growth of the death basis step-up.

The only case I can see where the “shoebox strategy” wins over (2) is if you anticipate HSA exhaustion before age 60, and the only case I can see where it wins over (3) is if you anticipate HSA exhaustion before death.

Am I missing anything else here?

EDIT: just to be clear, by “strictly wrong” I mean “strictly beat by another strategy”, not “strictly beat by the default 'stupid' strategy of making the withdrawal immediately and keeping the proceeds in a 0% interest checking account or taxable savings account”.

  1. Roth IRA limits are not that high. ~250K currently, with for two-income family - or moderately well earning one-income - is not a lot. Once you hit that, no Roth for you.
  2. After 60, there will likely be a significant amount of medical bills. No insurance, as far as I know, covers 100% - especially not Medicare. So getting the money out of the HSA wouldn't be a big problem, however unlike Roth you can get this money untaxed on the way in and on the way out.

Roth IRA limits are not that high. ~250K currently, with for two-income family - or moderately well earning one-income - is not a lot. Once you hit that, no Roth for you.

Mega-backdoor Roth 401k allows up to 70k/year contributions with no income limit. Your employer has to offer it. FAANG does. It's a normal roth in terms of tax treatment.

When leaving the employer, you can convert to roth IRA with no penalties. Even better, you can leave it as non-roth until leaving the company, again with no penalties (but ofc you pay the income taxes to convert to roth).