The problem

March: $4,200. Three clients paid at once and you felt rich. April: $800 — and rent is $1,650, due on the 1st. That whiplash isn't bad luck; it's the normal freelance experience. The money comes in waves, the bills come like clockwork, and spending what you just earned is what keeps freelancers broke in good months and panicked in bad ones.

Watch the 76-second demo walkthrough: https://www.youtube.com/watch?v=IWGOVmuhb5s

The fix isn't willpower — it's a mechanism. Five independent published sources (Medium, October 2026; Harpoon) converge on the same one, and every figure below is theirs, quoted with sources inside the kit — we didn't measure them:

• @kdigitalabs: "Stop spending what you earn. Start paying yourself a salary. Every dollar you earn goes into the holding account first... a fixed 'salary'... based on your average month minus a buffer, never your best month."

• @jaideepsawhney: "Income smoothing means paying yourself the same amount every month from a buffer account, no matter how much you actually earned that month." Illustrated: freelance UX writer, income $2,100–$11,800/mo, baseline $3,900, 28% to tax, $4,200 salary on the 1st.

• @uxchrisnguyen (13k+ subscribers): when a payment lands, decide ONCE — 30% taxes gone immediately, 40% business reserves, 30% personal salary. Runway = available cash / monthly burn.

• @savesmartwithhammad: per-payday ritual — tax first, then bills, savings, down a priority ladder; build a one-month buffer, then pay yourself a steady salary from it.

• Harpoon: feast months — normal paycheck, not bigger; top up the buffer. Famine months — paycheck unchanged, funded by the buffer; chase invoices.

The kit

That mechanism, implemented as a working spreadsheet system — the formulas do the math, the checklists enforce the discipline. 11-language Excel workbooks (EN, ZH, FR, ES, AR right-to-left, RU, DE, JA, PT, HI, IT), 8 sheets each:

• START — 4 setup steps, the 7 rules of steady pay, and the cited evidence panel with all five sources quoted.

• INCOME-FLOOR — enter 3–6 months of income; the sheet computes your average, best/worst month, and recommended salary — with floor and best-month guard checks so you never size from a peak.

• BUFFER-ENGINE — the salary auto-pulls from INCOME-FLOOR; the 12-month tracker computes tax moved, net to buffer, salary paid, and the running balance with a STRONG / OK / THIN / DANGER status every month.

• TAX-RESERVE — per-payment log with formula set-asides and totals, plus the quarterly estimated-tax deadline calendar.

• FEAST-FAMINE-PLAN — the two 5-step protocols (feast: taxes first, refill buffer, no raise; famine: salary unchanged, chase invoices, 5 prospects a week) with readiness counters.

• RUNWAY-GAUGE — available cash ÷ monthly burn, with an automatic STRONG / STABLE / THIN / CRITICAL verdict.

• MONTHLY-REVIEW — the 30-minute, 8-item monthly checklist with automatic completion %.

• WORKED-EXAMPLE — Priya's fictional end-to-end run: income swinging $2,100–$11,800, salary fixed at $4,200 through a feast month and a famine month — every number formula-driven, identical in all 11 languages.

Also inside: QUICK-START guide (~2,000 words — the pain in numbers, the one rule, the 90-minute setup, the monthly ritual, both playbooks, the mistakes that break the system), the worked-example walkthrough, a 12-question FAQ, and an honest LIMITS file.

Who it's for

Freelancers, gig workers, creators, consultants, coaches — anyone whose income isn't the same every month. If your pay is already a steady salary, this isn't for you.

Try before you buy

The FREE-SAMPLE file is the complete English workbook pre-filled with the fictional example — every sheet, every formula, working. Download it, change the numbers, watch the system react.

Honest limits

Not financial or tax advice. Tax rules differ by country — confirm your rate and deadlines with a local professional. The worked example is fictional; all cited figures are the sources' figures, not ours. A spreadsheet cannot fix a debt or income crisis — but it will tell you honestly when you have one (the floor check). Full list in LIMITS.md.

License

$24 one-time, yours to keep — no subscription. Commercial license: use it in your business, including with clients you advise. Do not resell or redistribute the files themselves.