Self-Funding LTC: The Math

When is it smarter to skip long-term care insurance and pay for care yourself? When your portfolio is large enough that becoming your own insurer beats handing premiums to a company that can raise them on you later. For many high-net-worth households, that’s the right answer, and the math is worth doing carefully rather than assuming.

Self-funding means you set aside capital, real or notional, to cover a future care need instead of buying a policy. You keep the money, you keep the flexibility, and you accept the risk yourself. The whole exercise is figuring out whether the worst-case bill is something your plan absorbs or something that breaks it.

Size the liability first

You can’t decide to self-fund until you’ve sized what you’re funding. Long-term care isn’t one number, it’s a range, and the spread is wide. Care can mean part-time help at home, full-time home aides, assisted living, or skilled nursing, and the cost climbs across that list. The figures move every year with healthcare inflation, and they’re rising faster than general prices.

The two variables that drive everything are intensity and duration. A couple of years of moderate home care is one number. A long stretch of skilled nursing, the kind a dementia path can require, is several times larger. The planning case isn’t the average. It’s a long, high-intensity event, because that’s the one that does damage.

The reserve calculation

Here’s the framework I use. Take a realistic high-end annual care cost for your area, inflate it forward to the ages where you’d likely need it, and multiply by a long duration, several years, not the average stay. That product is the liability you’re self-insuring against.

Then ask whether your portfolio can absorb that draw on top of your normal spending without forcing bad decisions: selling assets in a downturn, blowing through an IRMAA threshold from large withdrawals, or starving a surviving spouse. If the reserved amount is a modest slice of a large portfolio, self-funding works. If covering the worst case would consume a big fraction of everything you have, it doesn’t, and that’s exactly the household that should insure. I put the two paths side by side in self-fund vs. insurance.

The second-order costs people miss

The sticker price of care isn’t the whole liability, and this is where I see plans come up short.

Funding a large care event means large withdrawals, and large withdrawals are taxable income from tax-deferred accounts. That income can spike your RMD-era tax bracket and raise your Medicare premiums two years later. So the true cost of self-funding from an IRA includes the tax drag and the surcharge, not just the care invoice.

There’s a sequence risk too. If the care need lands during a market downturn, you’re liquidating into weakness, the same sequence-of-returns problem that haunts early retirement, except now it’s late and the spending is non-negotiable. A self-funder needs a liquid reserve set aside for exactly this, not a plan to sell equities mid-crisis. Illiquidity is the enemy here, the same reason I won’t lock client money into things they can’t reach when they need it most.

The upside the insurer keeps

The reason self-funding appeals at the high end is simple. If you buy insurance and never need extended care, the premiums are gone. If you self-fund and never need care, the capital is still yours, still compounding, still available to spend or pass on. You’ve kept the optionality the insurer would have pocketed.

That’s the real tradeoff. Insurance converts an uncertain large cost into a certain smaller one, and you pay for that certainty whether you use it or not. Self-funding keeps the money and the risk. For a portfolio big enough to carry the risk, keeping the money usually wins.

Who should self-fund

A rough line:

• Self-fund if a long, high-intensity care event is a manageable share of your portfolio, you hold enough liquid assets to fund it without fire sales, and you’d rather keep the capital than pay premiums.
• Insure, or use a hybrid if the worst case would consume a large fraction of your wealth, threaten a surviving spouse, or force you to liquidate at the wrong time. The fixed-premium hybrid structure is the middle path.

Self-funding long-term care is a legitimate strategy for people with real money, and it has nothing to do with ignoring the risk. It means pricing the worst case honestly, reserving for it, and deciding you’d rather be your own insurer than pay one. Do the math on the long, expensive scenario, not the average one, and you’ll know which side of the line you’re on.