Stop guessing what to charge.

That's exactly what these engines compute. You type in what you pay in wages, what your overhead costs, and what your materials run — the sheet calculates the rate you must bill to actually make money, then prices every job from it. No more copying the guy down the road, and no more hoping the number in your head still covers this year's insurance.

Especially you. Most owners price from their head, a notebook, or a spreadsheet somebody made years ago. The engine replaces the guessing, not an app: any small or medium business that quotes jobs, services customers, sells products, or crafts things can run its numbers through one of these. And if your trade isn't one of the four, custom builds start at $400.

SaaS fatigue is what small business owners call the pile-up of rising subscription costs, unused seats and features, and lock-in — stop paying and your own data disappears. For a one-to-three-person shop, pricing, quoting and job costing is math, and a purpose-built Excel file does that math without a monthly fee. These engines are that file: price book, quote builder, job log and profit dashboard, validated by thousands of automated formula checks.

For the pricing, quoting and job-costing side at a shop of one or two — yes, that's exactly the job it does. Subscription field-service platforms run $588–$1,788 a year and often gate the flat-rate price book behind an add-on; they earn their keep on scheduling and dispatch for bigger crews. If what you actually use is the price book and the quote math, one Excel file you own covers it for $75, once.

The hard part of pricing isn’t one formula — it’s the web of them. Your wage feeds a loaded rate, the loaded rate feeds every task, parts feed markups, surcharges stack on top — and one wrong link anywhere means every price downstream quietly leaks money. I untangled that web so you don’t have to. The HVAC engine ships with 199 automated tests and 14,610 randomised property checks; Electrical 273 and 13,127; Welding 331 and 9,304; Crafters 266 and 17,881. They prove the wiring holds: on the shipped sample numbers a $28/hr wage computes to $92.55/hr loaded. Flip after-hours and the premium lands on the labor — and only the labor, never the parts. Any job whose margin falls outside 45–75% raises a flag. The quick quote and the customer quote agree to the penny. What a test can’t tell you is whether $137.95 is the right price for a contactor in your town — that’s your trade judgement, and every number in the file is a cell you set.

No. Zero macros, no login, no internet connection required. The engines run in desktop Excel or Google Sheets and work offline in a driveway. That’s deliberate: a lot of spreadsheet tools this deep are riddled with macros — .xlsm files that trip Excel's security warnings and get blocked or stripped by email filters. These are plain .xlsx files, small enough to email to your phone, your accountant, or the shop laptop with zero warnings and nothing to enable.

No. Trade engines are $75 one-time, the Crafters Pricing Engine is $50 one-time. You own the file outright, forever.

14-day money-back guarantee. If the math doesn't work as shown, email info@fireyoursaas.us and you get a full refund through Gumroad. No forms, no fight.

Yes. Custom pricing and job-costing engines start at $400 to adapt an existing engine to your trade; ground-up builds for a new vertical are scoped on one 15-minute call, with a fixed fee quoted before any work starts.