# I Hit Coast FIRE. Now What?

> Just crossed your Coast FIRE number? Stress-test it, keep the 401(k) match, and decide where the money you were saving should go now.

Source: https://mycoastfire.com/blog/what-to-do-after-coast-fire
Last updated: 2026-09-24

Crossing your Coast FIRE number means your investments can carry retirement from here. Your paycheck still has to cover everything else, and the line you just crossed keeps moving.

After you hit Coast FIRE, the only thing that has to change is where your savings go. Your investments are now on track to fund retirement on their own, so the money you were putting away each month is free for other uses, while your job, your bills and your need for health insurance stay exactly where they were. Before you touch that monthly transfer, though, make sure you’ve actually crossed, and decide how much of it to let go.

I’ll use one example throughout. Claire is 38, earns $90,000, has $540,000 invested and has been adding $1,500 a month. She wants to retire at 65 on $60,000 a year in today’s dollars. Her FIRE number is $1,500,000, her Coast FIRE number is $536,209, and she’s past it by $3,791.

Open Claire's numbers

38 years old, $540,000 invested, $60,000 a year of retirement spending. Then put in your own.

[Open the calculator with these numbers](https://mycoastfire.com/?age=38&assets=540000&contrib=1500)

## Check the number before you stop

$3,791 over the line is barely over it. The calculator’s defaults (7% return, 3% inflation, 4% withdrawal rate) are reasonable, but they aren’t cautious, so rerun your plan twice more: once with a 6% return and once with a 3.5% withdrawal rate.

| Assumption | Claire’s Coast FIRE number | Where she stands |
| --- | --- | --- |
| Site defaults | $536,209 | $3,791 over |
| 6% return | $690,936 | $150,936 short |
| 3.5% withdrawal rate | $612,811 | $72,811 short |

Neither of those is a disaster scenario. One percentage point of return, compounded over 27 years, moves her number by $154,727. If you only clear the line on the defaults, you’re close, not done.

The [Monte Carlo calculator](https://mycoastfire.com/coast-fire-monte-carlo-calculator) makes the same point another way. It runs 2,000 randomized markets built around the same 7% return and counts how many still get you to your FIRE number. If Claire stops contributing today, 52% of them work. That isn’t a flaw in her plan. The regular calculator’s coast age is the point where average returns land you exactly on your number, so stopping right there is roughly a coin flip. The calculator’s own page says as much.

Here’s what one or two more years at $1,500 a month buys her:

| Stops contributing at | Balance at 65 on steady returns | Still works if returns average | Monte Carlo odds |
| --- | --- | --- | --- |
| 38 (now) | $1,510,604 | 7.0% | 52% |
| 39 | $1,559,075 | 6.8% | 54% |
| 40 | $1,605,734 | 6.7% | 55% |

Two extra years add about $95,130 at 65 and let her average return slip to 6.7% before she falls short. That’s a real cushion against a slightly weak market. Look at how little the odds move, though. At this stage the returns on $540,000 swamp anything she can add, and no contribution schedule protects her from a genuinely bad 27 years.

My own rule: keep full contributions going until you’re around 10% over the line on the defaults, then drop to a smaller amount instead of zero and check once a year. The next section is the amount I’d keep.

## Keep taking the employer match

Claire’s employer matches 50 cents per dollar on the first 6% of pay. To get all of it she puts in $450 a month and the employer adds $225. That’s an instant 50% return on her money, and nothing else she could do with $450 comes close.

The match alone, $2,700 a year invested until 65, grows to about $124,965 in today’s dollars. At a 4% withdrawal rate that’s about $5,000 a year of retirement spending she didn’t pay for.

It also does more for her odds than working longer at full contributions. If she drops from $1,500 to $675 a month (her 6% plus the match) and keeps that going until 65, her balance on steady returns reaches $1,885,500 and her Monte Carlo odds go from 52% to 64%. Two extra years at the full amount only got her to 55%.

Purists would say that isn’t coasting anymore. I don’t care about the label.

One catch is vesting. Your own contributions are always yours, but employer money can vest over time. Under [IRS rules](https://www.irs.gov/retirement-plans/issue-snapshot-vesting-schedules-for-matching-contributions), matching contributions have to be fully vested after at most three years of service with a cliff schedule, or six with a graded one. If you’re planning to leave within a year or two, look up your plan’s schedule so you know what you’d be walking away from.

## Where should the freed-up money go?

Going from $1,500 to $675 a month frees up $825, or $9,900 a year. Here’s the order I’d use.

**The emergency fund comes first.** Three to six months of expenses in cash is the usual range. If Claire plans to move into less stable work, she should aim for the top of it. If her current budget is $5,000 a month, adding three more months of it takes about 18 months at $825.

**High-interest debt is next.** Credit card accounts that were charged interest averaged a 22.15% APR at commercial banks in the second quarter of 2026, according to the [Federal Reserve](https://www.federalreserve.gov/releases/g19/current/default.htm). Paying that off beats any investment return you can count on. A 3% mortgage is a different question, covered in [Coast FIRE vs paying off the mortgage](https://mycoastfire.com/blog/coast-fire-vs-paying-off-mortgage).

After that it depends on what you want next.

If you’d like to retire before 59½, you need money you can reach. Withdrawals from a 401(k) or IRA before then generally owe a [10% additional tax](https://www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-exceptions-to-tax-on-early-distributions). There are exceptions: the rule of 55 lets you take money from an employer plan without it if you leave that employer in or after the year you turn 55 (IRAs don’t qualify), and there’s a route through substantially equal periodic payments. A plain taxable brokerage account has no age rules at all, so that’s where I’d build a bridge fund. Roth IRA contributions help too, because [IRS Publication 590-B](https://www.irs.gov/publications/p590b) treats a withdrawal of your regular contributions (not the earnings) as tax-free. Be honest with yourself about the size of this, though. Moving Claire’s retirement age from 65 to 60 raises her Coast FIRE number to $648,735, so an earlier exit is a different plan, not a side fund.

If you expect to go part-time or freelance, start a health insurance fund now. In KFF’s [2025 employer survey](https://www.kff.org/health-costs/2025-employer-health-benefits-survey/), employers paid about $7,885 of the average $9,325 single premium. That’s the bill that shows up when the benefits go away. An HSA helps with deductibles and other medical bills, but [IRS Publication 969](https://www.irs.gov/publications/p969) generally doesn’t let you use it for insurance premiums, apart from exceptions like COBRA or coverage while you’re on unemployment, so keep the premium money in ordinary savings. Our [health insurance post](https://mycoastfire.com/blog/coast-fire-health-insurance-before-65) covers the options before Medicare.

Or spend it. That’s allowed, and it’s the reason most people want Coast FIRE in the first place. I’d just lean toward things that end, like trips, a sabbatical fund or a nicer year for the kids, over things that raise your spending permanently. Every $1,000 of extra yearly spending you carry into retirement adds $25,000 to Claire’s FIRE number and $8,937 to her Coast FIRE number today. Her whole margin is $3,791.

## Should you change how you work?

Maybe, but you don’t have to do it the week you cross the line. The smallest change is usually the best first one: ask for a four-day week or a step back from management at the job you already have. You keep your pay rate and your skills, and it costs one conversation. Find out where your employer’s benefits cutoff is before you ask.

If the work itself is the problem, a lower-stress job only has to cover your current bills now, which opens up a lot of options. Our list of [the best jobs for Coast FIRE](https://mycoastfire.com/blog/best-jobs-for-coast-fire) sorts them by what they give you. For most people, the deciding question is health insurance, since a part-time schedule often loses it.

A sabbatical works well as long as you pay for it from cash you saved for it. Pulling $50,000 out of Claire’s portfolio at 38 costs her about $139,871 at 65 in today’s dollars, plus the 10% additional tax if it comes out of a 401(k) or IRA before 59½.

That’s also the line between Coast FIRE and Barista FIRE. Coasting means the portfolio is left alone and work covers every bill. If you want your investments to cover part of today’s spending too, that’s Barista FIRE, and it needs a bigger balance. The [Barista FIRE calculator](https://mycoastfire.com/barista-fire-calculator) shows how much.

## When should you start contributing again?

Your Coast FIRE number isn’t fixed. It rises every year by your expected real return, about 3.9% with the defaults, which for Claire is roughly $20,824 next year. A flat year in the market leaves her behind by about that much, and a bad one by a lot more.

I’d restart contributions when your annual check shows you below the line, and pick an amount that gets you back across within about three years. The usual reasons you end up there:

-   A bad stretch in the market, especially early on, when your balance has the most years left to compound.
-   Spending creep, where your idea of retirement quietly gets more expensive.
-   A divorce, which often splits the portfolio without cutting future spending in half.
-   Kids, who change today’s budget more than retirement’s but can bring college costs close to your retirement date. We look at that in [Coast FIRE with kids](https://mycoastfire.com/blog/coast-fire-with-kids).

Do the check-up once a year, in the same month. More often than that mostly gives you more chances to panic.

1.  Update your balance, age and spending in the calculator and note how far over or under the line you are.
2.  Rerun it at 6% and look at your Monte Carlo odds.
3.  Confirm you’re still getting the full match, and check vesting if you changed jobs.
4.  Check your emergency fund and next year’s health coverage.
5.  Rebalance if your stock and bond mix has drifted.

This whole plan breaks down if you sell after a crash. Every number above assumes the money stays invested through the bad years, and that’s the one part of coasting that doesn’t get easier once you’ve crossed the line.

## Questions people ask

### Should I stop contributing to my 401(k) once I hit Coast FIRE?

I wouldn't stop completely. Keep contributing at least enough to get your full employer match, since that's an instant return you can't get anywhere else. In our example, keeping match-level contributions going until 65 raised the simulated chance of reaching the FIRE number from about half to nearly two in three.

### What should I do with the money I was saving?

Fill your emergency fund first, then pay off high-interest debt like credit cards. After that, it depends on your plans: a taxable account if you want to retire before 59½, a separate fund for health insurance if you'll lose employer coverage, or simply spending more now, which is the point of coasting.

### What happens if the market drops right after I stop contributing?

You'll probably fall back below the line for a while. Your Coast FIRE number rises every year, so a flat or bad year puts you behind. Check once a year, and if you're below it, restart contributions at an amount that gets you back across within a few years.

### Does hitting Coast FIRE mean I can retire early?

No. It means your current investments should grow to cover retirement at the age you planned for, as long as work pays your bills until then. Retiring earlier needs a bigger balance, and money in a 401(k) or IRA generally owes a 10% additional tax if you take it out before 59½, with a few exceptions.

## Keep reading

-   [Coast FIRE Monte Carlo calculatorYour odds if you stop contributing at a given age.](https://mycoastfire.com/coast-fire-monte-carlo-calculator)
-   [Best jobs for Coast FIREWork that pays today's bills with less stress.](https://mycoastfire.com/blog/best-jobs-for-coast-fire)
-   [Health insurance before 65The cost most coasting plans leave out.](https://mycoastfire.com/blog/coast-fire-health-insurance-before-65)