Somebody is going to try to sell you on SPIAs someday, either by telling you it's the safest decision you'll ever make, or by telling you it's a trap that gives away your money forever. Neither one is being straight with you.
Here's what's actually true: a single premium immediate annuity really does take three things away from you. Not maybe. Not "depending on the fine print." It takes them, every time, no matter which carrier you buy it from.
Before we talk about anything else, let's name all three, in full, with nothing softened.
Picture a reader we'll call Diane — a composite built from conversations we have with people every week, not one specific client. Diane is 68, recently widowed, and sitting on a lump sum from a life insurance payout. Someone at her bank suggested a SPIA. She liked the sound of a guaranteed check every month. Then she went home, searched "SPIA disadvantages," and got scared off by a bullet list that didn't explain anything. That's usually where people stop — either buying something they don't fully understand, or walking away from something that might have been right for them.
We're not going to do that to you.
What You Give Up #1 — Liquidity
Once you hand your premium to the insurance company, it is gone. Not "hard to get to." Gone. You traded a pile of cash for a stream of monthly checks, and in most cases, there is no button to press, no form to fill out, that turns those checks back into a lump sum.
If Diane's roof needs replacing next year, or she gets a medical bill her insurance doesn't fully cover, the money she put into her SPIA cannot help her. It's already been converted into an income stream, and that stream doesn't speed up, cash out, or lend itself to her, no matter how badly she needs it.
That's the real trade. Anyone who tells you a SPIA gives you "access to your money" in an emergency is not describing a SPIA.
Here's how the plan handles it: the answer isn't to avoid a SPIA. It's to never put the whole treasure chest into one. Before a single dollar goes toward a SPIA, there should already be a liquid reserve sitting outside of it — money that can absorb the roof, the medical bill, the emergency. The SPIA is then sized to cover essential, recurring expenses only, not the entire retirement. That sizing question deserves its own answer — we cover it in How Much of Your Essential Expenses Should Guaranteed Income Cover?
What You Give Up #2 — Market Upside
If the stock market climbs 20% next year, the money sitting inside Diane's SPIA does not go up with it. Not a little. Not indirectly. Zero participation. The insurance company takes on the investment risk in exchange for guaranteeing her payment no matter what happens — and part of how they can promise that is by not handing her any of the upside either.
This is where a lot of people talk themselves out of a SPIA entirely. They picture every dollar they own stuck in a product with a ceiling, watching from the sidelines while the market runs.
But that's not actually the decision in front of Diane. She isn't choosing between "all growth" and "no growth." She's deciding what role one specific portion of her money should play.
Here's how the plan handles it: the dollars going into a SPIA were never earmarked for growth in the first place. That's the barbell approach — a portion of the portfolio positioned as an ultra-safe floor that can never be wiped out, and a separate portion left free to take real risk and chase real upside. Giving up market participation on the floor money isn't a loss. It's what you paid to make that money un-loseable, so the rest of the portfolio has room to actually work.
What You Give Up #3 — Inflation Protection
This is the concession that matters most, because it's slow. Diane's monthly check won't shrink. It just won't buy as much, year after year, as everything around her gets more expensive. A fixed SPIA payment locks in today's dollar amount, not today's buying power. That gap is real, and it compounds over a 20 or 30-year retirement.
Some SPIA contracts offer what's called a cost-of-living rider, and this is where most explanations get sloppy. A rider is not a promise to track actual inflation. It's a promise to increase your payment by a fixed percentage every year, chosen when you buy the contract, whether real-world prices rise faster or slower than that number. If you pick a rider that grows 2% a year and inflation runs 4%, you're still losing ground. Just more slowly than if you'd bought no rider at all. However, it does have the potential to offset the erosion caused by inflation and you can see this visually when you interact with the tool I provided below.
You'll also run into agents who point toward a variable annuity or an equity-indexed annuity instead, framing market participation inside the annuity wrapper itself as the answer to inflation. That's a different product built around a different trade-off entirely, with its own set of promises to compare — worth understanding on its own terms rather than assuming it solves this specific problem. You can read about those structures on our variable annuities and equity-indexed annuities pages.
The one guaranteed-income product that actually solves this problem is already in most retirees' hands.Social Security's annual increase is tied directly to actual inflation, not a rate chosen in advance the way a SPIA rider is. And depending on total income, some or all of a Social Security benefit can be entirely free of federal tax — something no SPIA payment can fully claim, since only a portion of each payment is ever sheltered as return of principal.
This isn't a hypothetical for us. Before the Social Security Administration closed the loophole in December 2010, I spent years helping clients withdraw an early Social Security claim and repay everything they'd received — sometimes eight years' worth — in order to refile at their current age and lock in a permanently higher, inflation-adjusted benefit. Clients funded the repayment from retirement accounts, a second mortgage, or cash on hand, often paired with a life insurance policy sized to replace what was repaid so the move didn't erode their estate. That specific move hasn't been available since the rule changed, but the reason it worked is the real point: Social Security's combination of a true CPI-based COLA and favorable tax treatment was, in the right situation, worth borrowing against other assets to get more of. That's a high bar for any annuity to clear.
Free Interactive Tool...
Reading the Crossover
If you ran your own numbers above, you probably noticed something that feels backwards at first: the rider option starts out paying less, and for a while, both lines look like they're headed nowhere good. Then, at some point, the rider line crosses over the fixed line and stays ahead for the rest of Diane's retirement.
That crossover isn't a trick of the math. It's the actual trade you're making. A lower starting income in exchange for a payment that keeps climbing is a bet — a bet that Diane lives long enough, and that inflation runs hot enough, for the climb to matter. That's the same bet she's making by buying a SPIA at all: trading a known amount today for protection against an unknown number of years ahead. The inflation rider just applies that same logic a second time, inside the same decision.
Neither line is "right." They're two different answers to two different questions: how much do I need now, versus how much will I need later.
So, Does This Trade Make Sense for You?
Everything above was the honest version — no hedging on what a SPIA takes away. Here's how to think about whether that trade is worth it for you.
If you don't already have money set aside outside of retirement accounts for emergencies, start there. A SPIA should never be the first move; it should be a later one, made from strength, not from being caught short.
If liquidity is the piece that worries you most — the idea of a large sum being locked away for good — it's worth comparing a SPIA against a product built around keeping your principal accessible instead. We cover that comparison directly in SPIA vs. CD: Why They're Solving Two Different Problems.
If the timing of your income is the open question — needing it now versus wanting a higher payout later — that's a separate decision, covered in SPIA vs. Deferred Income Annuity: Income Now vs. Income Later.
And if you're past all of that and the real question is simply how much of your savings should go toward guaranteed income in the first place, that's exactly what we walk through in How Much of Your Essential Expenses Should Guaranteed Income Cover?
Once you know roughly how much you want to commit, our SPIA Income Estimator will show you what that amount could convert into as a monthly payment. It doesn't model inflation — that's what the calculator above this section is for. Use the two together: size the payment with one, then stress-test what that payment is actually worth ten and twenty years from now with the other.
A SPIA is one piece of a much bigger picture, not the whole plan by itself. If you want to see how it fits alongside the other types of annuities and income strategies, our annuities page is a good place to compare your options side by side.
Compare promises, not price. The goal was never to talk you into a SPIA or out of one. It was to make sure you're pricing the actual trade — liquidity, upside, and purchasing power — instead of trusting a pitch or a warning from someone who skipped that part.
FAQ
Can I get my money back after buying a SPIA?
In most cases, no. Once you buy a SPIA, your lump sum is converted into an income stream and generally can't be reversed. Some contracts include a one-time withdrawal or payment-acceleration feature that lets you pull forward a portion of future payments, but this isn't universal, and it isn't the same as getting your original lump sum back. Ask specifically about this feature before you buy if access to a portion of your money matters to you.
Does a SPIA's inflation rider track the actual inflation rate?
No. A cost-of-living rider increases your payment by a fixed percentage each year, set when you buy the contract. It doesn't adjust based on what inflation actually does. If real inflation runs higher than your rider's fixed rate, your purchasing power still declines, just more slowly than with no rider at all.
Do I lose money if the market goes up after I buy a SPIA?
You don't lose money, but the money inside your SPIA doesn't participate in market gains either. Your payment is fixed (or fixed-plus-rider) regardless of what the market does. This is the trade-off for guaranteed income that also can't go down.
How much of my savings should go into a SPIA?
There's no single right percentage. A common approach is sizing the SPIA to cover essential, recurring expenses only, leaving other assets liquid and available for emergencies and growth. See How Much of Your Essential Expenses Should Guaranteed Income Cover? for a full walkthrough.
Is there a way to get some liquidity and inflation protection without giving up guaranteed income?
Not from a single SPIA — its structure is what makes the guarantee possible in the first place. The more common approach is combining a SPIA with other pieces: a liquid reserve held outside the annuity, and growth-oriented assets positioned separately to help offset inflation over time. The SPIA covers what needs to be certain; the rest of the plan covers what needs to be flexible.
Have questions about how a SPIA might fit into your specific plan? Learn more about Kevin Wenke, CFP®, CLU®, or reach out through our contact page.