COAST FIRE vs BARISTA FIRE

Barista FIRE vs Coast FIRE

Two ways to step off the treadmill early. Coast FIRE means you stop saving; Barista FIRE means you stop working full-time. Enter one set of numbers and see your Coast number, your Barista number, and which one you reach first — instantly, no sign-up, no gated answer.

The one-line difference: Coast FIRE means you stop saving; Barista FIRE means you stop working full-time. With Coast FIRE you've front-loaded enough that growth alone reaches your full retirement number by your target age — so you keep your full-time job but quit contributing. With Barista FIRE you downshift to part-time now, and your portfolio plus a part-time wage cover spending together.

Which needs less money depends entirely on your part-time income — so the two numbers cross over. The calculator below returns both from one set of inputs and tells you which comes first for you.

What you stopSaving — you keep working to cover today’s costs.Full-time work — you go part-time now.
Portfolio neededSmaller, front-loaded — then growth does the rest.Mid-size — it covers the gap part-time income doesn’t.
Income until full FIREYour full-time job (just no more saving).Part-time work + portfolio withdrawals.
Biggest riskA long coast exposed to sequence risk; lifestyle creep restarts saving.Part-time income and health-insurance reliability.
Best forPeople who like their work but hate the savings grind.People who want out of the 9-to-5 now, with a viable part-time path.
ONE SET OF NUMBERS
Expected return10.0%
Safe withdrawal rate4.0%
Projected in real terms (3% inflation) — today's dollars. Real return: 6.8% · 25× spending.
THE VERDICT · FOR YOUR NUMBERS
Coast FIRE comes first.

At $60,000 spending and $25,000/yr part-time, Coast FIRE is the smaller milestone — $208,654, about $666,346 less than the other path. You reach a hands-off finish line sooner; you keep working full-time, just stop saving.

Raise part-time income and the two cross over — Barista keeps falling while Coast holds. Try it.

FULL FIRE NUMBER
$1,500,000

The shared anchor — $60,000 ÷ 4%, or 25× your spending. Stop working entirely.

COAST FIRE NUMBER
COMES FIRST
$208,654

Hit this and you can stop saving — keep working to cover today's costs, and coast to full FIRE by 65.

Run the full Coast calculator →
BARISTA FIRE NUMBER
$875,000

Hit this and you can downshift to part-time (earning $25,000/yr) — your portfolio covers the rest.

Run the full Barista plan →
THE THREE NUMBERS, TO SCALE

Healthcare, Social Security and full year-by-year projections live on the dedicated pages — this comparison stays apples-to-apples. See the full Barista plan, with healthcare + Social Security →

You've seen the trade-off — now live it.
Pick your target and FIRE Projection tracks your real net worth toward it, updating your date as you go.
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THE DECISION

Choose Coast, choose Barista

Both buy freedom; they spend it differently. The clean way to choose is to ask which constraint you most want gone — the savings grind, or the full-time schedule.

CHOOSE COAST FIRE IF…
  • You like your job (or don't mind it) and want to keep the income.
  • You want to kill the savings pressure and redirect that money to life now.
  • You have a long runway to traditional retirement for growth to compound.
  • You'd rather not depend on finding reliable part-time work.
CHOOSE BARISTA FIRE IF…
  • You want out of full-time work now, not in twenty years.
  • You have a part-time path that covers part of your spending.
  • That path ideally comes with health insurance — the make-or-break variable.
  • You're fine with some income still flowing in for a while.

The live number can override the vibe. If your part-time income is high, Barista needs less invested than Coast — the math may pick the path your gut didn't.

THE THIRD ANSWER

Can you do both?

Yes — and a lot of people do, in sequence. The two aren't rivals so much as stops on the same road.

Coast first, then Barista. Front-load your investing early, hit your Coast number, and stop saving. Years later, once the portfolio has grown, downshift to a part-time Barista arrangement — by then the gap it has to cover is small. Or Barista with a coasting portfolio: step back to part-time now, leave the invested balance untouched, and let it coast toward full FIRE in the background while your wage covers today.

The framing is "vs" because they're different decisions — but they stack neatly on a single timeline.

THE MATH

How each number is calculated

Both start from the same anchor — the full FIRE number, annual spending divided by your safe withdrawal rate, or 25× at 4%. The two paths discount it differently:

Coast number= Full FIRE ÷ (1 + r)(retire age − current age)
Barista number= (annual spending − part-time income) ÷ SWR

Coast asks "how little can I have today and still arrive on time without saving?" — so it shrinks with your time horizon and your real return r. Barista asks "how little covers the part my wage doesn't?" — so it shrinks with part-time income and ignores time entirely.

Worked example (the calculator's defaults). Spend $60,000, age 35, target 65, at 10% nominal / 3% inflation (≈6.8% real). Full FIRE is $60,000 ÷ 4% = $1.5M. Coast discounts that over 30 years: $1.5M ÷ 1.06830$208,656. Barista covers the gap a $25,000 wage leaves: ($60,000 − $25,000) ÷ 4% = $875,000. For these numbers, Coast is the smaller milestone — but push the part-time income past ~$50k and Barista wins:

Part-time incomeBarista numbervs Coast ($208,656)
$0/yr$1,500,000Coast wins
$15,000/yr$1,125,000Coast wins
$25,000/yr$875,000Coast wins
$35,000/yr$625,000Coast wins
$45,000/yr$375,000Coast wins
$55,000/yr$125,000Barista wins

Spending fixed at $60,000, a 4% withdrawal rate, and the default $208,656 Coast number (age 35 → 65). The crossover lands near $50k of part-time income: below it Coast is the smaller milestone, above it Barista pulls ahead. That tipping point is exactly what the live calculator finds for your inputs.

THE HONEST PART

The trade-offs each one hides

Neither number is the whole story. The figure is the easy part; the risk it carries is what actually decides whether the plan holds.

COAST — WHAT TO WATCH
  • Sequence risk over a long coast. A bad run early, with no new contributions buffering it, can quietly push your arrival date back.
  • Lifestyle creep. "Stop saving" is permission, not a rule — it's easy to spend the freed-up cash and never restart.
  • It's a projection, not a paycheck. You're trusting a 30-year growth assumption; re-check it yearly.
BARISTA — WHAT TO WATCH
  • Income reliability. Part-time hours and benefits can be cut at the employer's whim — the plan leans on both.
  • Health insurance. In 2026 the ACA cliff is back; this is the variable that makes or breaks it. The Barista page does that math →
  • Less margin. A smaller portfolio means less cushion if the part-time path falls through.
METHODOLOGY · WHAT THIS ASSUMES

How the comparison works

One set of inputs, three figures, all in today's dollars. The Coast number discounts the full FIRE number back at your real (after-inflation) return; the Barista number is rate-independent arithmetic. Every assumption is a field you can change.

ASSUMPTIONS THIS USES
  • Full FIRE = annual spending ÷ SWR — a 25× multiple at the 4% default.
  • Coast = Full ÷ (1 + r)n, with r the real return and n the years to your target age.
  • Barista = (spending − part-time income) ÷ SWR — every dollar of reliable wage removes 25× that dollar from the number.
  • 10% nominal growth / 3% inflation (≈6.8% real), matching the cluster; dial down to 7% for the conservative case.
  • 4% safe withdrawal rate — the Trinity Study baseline. Pre-tax, today's dollars throughout.
  • Healthcare, Social Security and year-by-year projections stay off here — they live on the dedicated Barista and Coast pages.

Full method, sources and edge cases: FIRE Projection methodology ↗.

Educational, not financial advice. Markets don't deliver a steady return, sequence-of-returns risk is real, and a long projection compounds small errors. Use this to frame the choice between two paths — not as a plan to act on without judgment for your own situation.

FIRE PROJECTION · iOS

Pick your number here. Track it in the app.

This page settles the Coast-vs-Barista question. The app does the other half: it tracks your real net worth against your FIRE number as your accounts grow, so you can watch the gap close month by month and stress-test the plan.

  • Net worth vs. your FIRE number — every account against the target, over time.
  • Social Security, valued properly — net present value, with a benefit-cut haircut.
  • Baseline vs. scenario — compare two plans side by side, live.

Straight talk: the app has no withdrawal-rate slider, no part-time-income lever, and no Coast/Barista "flavor" concept — that math lives here, on the web. The app is for tracking and stress-testing the number once you've picked it.

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QUESTIONS

Barista vs Coast FIRE, answered

Is Coast or Barista FIRE better?
Neither is universally better; they solve different problems. Coast FIRE removes the pressure to keep saving while you stay in full-time work; Barista FIRE lets you leave full-time work now and live on part-time income plus your portfolio. Which needs less money depends on your part-time income.
What's the difference between Coast and Barista FIRE?
Coast FIRE means you have invested enough that growth alone reaches your full retirement number by your target age, so you stop saving but keep working full-time. Barista FIRE means part-time work covers part of your spending, so you stop full-time work now. Coast frees your savings rate; Barista frees your calendar.
Can you do Coast FIRE and Barista FIRE together?
Yes, usually in sequence. Many people coast first by hitting their coast number and stopping saving, then years later downshift to a part-time Barista arrangement once the portfolio has grown. You can also barista now while the untouched balance coasts toward full FIRE in the background.
Do I need less money for Barista or Coast FIRE?
It depends on your part-time income. At low part-time income the Coast number is usually smaller, because you only need a fraction of the full number today and let it grow. As part-time income rises, the Barista number falls below it. With typical defaults the crossover is near $50,000 of part-time income.
Why do the two numbers cross over?
They scale on different inputs. The Coast number depends on your time horizon and return and is fixed once you set your age and target. The Barista number depends only on how much of your spending part-time income covers, so it keeps falling as that income rises, eventually dropping below Coast.
Is Barista FIRE worth it?
It can be, if you have a viable part-time path, ideally one with health insurance, which is the variable that makes or breaks the plan in 2026. The upside is leaving full-time work years earlier than full FIRE allows; the trade-off is staying tied to a job and to benefits an employer can change.
Does this comparison include healthcare or Social Security?
No, deliberately. To keep the comparison apples-to-apples, this page compares the bare portfolio numbers. Healthcare, including the 2026 ACA estimate, and Social Security live on the dedicated Barista FIRE calculator, which runs the full year-by-year plan.
What return and withdrawal rate should I use?
The defaults are 10% nominal growth, 3% inflation (about 6.8% real), and a 4% safe withdrawal rate, which are common, defensible long-run figures. To be conservative, drop the return toward 7% and lower the withdrawal rate; both numbers will rise. Every assumption is adjustable.
FIRE PROJECTION
This page answers it once.
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