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Twelve questions ranked Brightline's tight cash first and a stale price worth $46,169 to $184,677 a year second — until 'we're already hiring' bumped the price question off the page

The business in this guide is invented, written to show the arithmetic on one ordinary company's figures. It is not a customer, and nothing here is a testimonial. The figures are made up; the rates, the method and the tool's own output are not.

Reviewed 20 September 2026

Rates on this page verified 6 September 2026. BLS CPI-U (CPIAUCNS) via FRED, fetched 6 Sep 2026

The moment

Brightline Heating & Air runs six vans out of a yard in Dayton, Ohio — the same eleven people as the break-even story and the price-increase story, a few months before either of those: six technicians, a dispatcher, an office manager, two apprentices and the owner.

It is the third week of March. Furnace season has just ended, air-conditioning season has not started, and the owner has a slow afternoon in the yard office for the first time in months. Someone had mentioned The Diagnostic — twelve questions, five minutes, no card required — and the owner had never run one of these on the business before. Not a filing tool, not a spreadsheet. Just the business's own numbers, answered honestly, including the ones nobody likes admitting: yes, prices have not moved since 2022; yes, a fifth of a typical month's billings are still sitting unpaid past thirty days; no, cash on hand would not cover three months if the phone stopped ringing tomorrow.

Twelve answers later, the tool came back with three things, in an order the owner had not expected.

What they did instead

Before this afternoon, none of it was tracked in one place. Cash got read off the bank balance the way most owners read it — better than last month, worse than last month — without a number attached to how long it would actually last. The 2022 price freeze on the maintenance plan was a known, mildly embarrassing fact, brought up and dropped at the kitchen table every spring, with no figure behind it beyond a feeling that it was probably costing something. The late invoices were a name on a list the office manager kept meaning to call, not a dollar amount tied up anywhere.

None of that is unusual. It is what not having a single place to put the twelve answers together actually costs: not one bad decision, but a dozen half-formed ones, each waiting for a moment that never quite arrives to be looked at properly. The seventh van the owner had been turning over for a year sat in the same undifferentiated pile as the price freeze and the late invoices, with no way to tell which of the three was actually costing the business the most while it waited.

The questions a CFO asks first

  1. How long would the cash on hand cover payroll and fixed costs if the phone stopped ringing tomorrow?
  2. When did the price last move, and what happened to costs in the meantime?
  3. Of what gets billed in an ordinary month, how much is still uncollected after thirty days?
  4. Is there already a decision sitting on the table — a hire, a price change, a lease — that should outrank everything the other answers imply?
  5. What does the owner actually say is bothering them, and does the ranking agree with it?

Question 4 is the one that reorders everything else, and it is the only one on the list with nothing to compute.

The arithmetic, shown

Brightline's own answers, run through the Diagnostic: revenue in the $500K–$2M band; eleven people on payroll, no contractors; one to three months of cash cover; gross margin known; prices last raised three or more years ago; 10–25% of a typical month's revenue sitting unpaid past thirty days; owner pay a set amount; marketing spend that goes out without a clear read on what it returns; tax set aside as it is earned; nothing on the table yet; and, when asked what is actually bothering them, cash.

Scenario one — the plain run, nothing on the table yet. Three cards came back, in this order:

#CardFigure
1Cash buffer: one to three monthsNo figure — sized from the real cash position, not a revenue band
2Cash sitting in invoices nobody is chasing$4,167–$41,667 tied up at any one time
3Prices have not moved in a while$46,169–$184,677 a year, at least

Cash comes first because it is the one thing with a date attached — under three months of cover narrows every other decision made that quarter, regardless of size. The other two are tied on the tool's own tier logic (both are ongoing costs, both carry a real figure), and the tie breaks on what the owner actually said was bothering them: cash. That is why the $4,167–$41,667 sitting in unpaid invoices outranks the larger $46,169–$184,677 stale-pricing figure, not because it is the bigger number — it is not — but because it is the one closer to the thing the owner named.

The pricing figure comes from the business's own revenue band multiplied by the cumulative rise in the consumer price index since 2022 — a 9.2% increase in the cost of everything else over the same three-plus years the plan price sat still, applied to a revenue band of $500,000 to $2,000,000. It is a band-wide estimate, not a figure on any one priced line, and it is deliberately cruder than running the actual number on the maintenance plan itself.

**Scenario two — the same twelve answers, with one difference: the seventh van.** The owner had been weighing another technician and vehicle for a year. Marked as already on the table, the ranking changes completely:

#Card
1Can you afford this hire?
2Cash buffer: one to three months
3Cash sitting in invoices nobody is chasing

Nothing about the cash position or the late invoices changed. The hiring question goes first because it is a decision the owner is already holding, and the tool never lets anything it inferred from the other eleven answers outrank one stated outright. The stale-pricing card — the largest number of the three, $46,169 to $184,677 a year — drops off the page entirely, not because it stopped mattering, but because only the top three show and two cliffs and one compounding cost filled the list first.

Scenario three — leaving one answer blank. Same twelve questions, late-invoices question left unanswered instead of "10–25%." The Diagnostic does not treat a blank as zero, or as "up to date," or average it to a mid-band guess. It stops and names exactly what is missing: how much of a month's revenue is sitting unpaid. Nothing about cash or pricing gets reported either, even though both of those answers were complete — an unanswered question is a refusal, not eleven-twelfths of an answer.

What changed

The late invoices moved first, because they were the cheapest thing to act on: the office manager started calling the accounts over thirty days out that same week, with no dollar figure attached to the decision to start — none was needed to pick up the phone.

The stale-pricing question did not get solved that afternoon. It got scheduled: the same 2022 freeze and the same margin sit behind both the $46,169–$184,677 band-wide estimate here and the exact plan-price arithmetic that runs, months later, in the price-increase story — $44 kept of every $100 on the maintenance plan, and about $34,500 a year quietly given up on that one line alone. The Diagnostic's number is the rougher, whole-business version of the same finding; the detailed tool is where the real figure on the actual priced line got worked out once the owner knew which line to check.

The seventh van did not get sized here at all, on any of the three runs. It went to Hire Affordability, which works out runway from actual cash, collections and outgoings rather than asking the owner to supply it — the Diagnostic's own card says as much: sized inside that tool, once it has the specifics of this one hire.

What the tool will not do

It will not price the stale-pricing gap on any one line. The $46,169–$184,677 figure is a revenue band multiplied by a published price index, not the maintenance plan's own $44-per-$100 margin — that number needs the actual priced line, which is a different, more specific tool.

It will not decide which of three real findings matters most without being told. The tie between the late-invoices card and the pricing card broke on what the owner said was bothering them, not on a hidden judgment about which number is objectively worse — a different answer to the last question would have put the larger figure first.

It will not size a decision the owner already named. Marking the seventh van as already on the table put it first and left it unpriced, on purpose: pricing a hire needs its own inputs, and a rough estimate stapled onto a five-minute diagnostic would be worse than sending the question to the tool built to answer it properly.

It will not turn a blank answer into a guess. Leaving the late-invoices question empty does not report it as clean, as average, or as zero — it reports that the question was not answered, and the run does not produce a result at all until it is.

It will not tell the owner what to do about any of the three findings. Chasing the invoices, raising the plan price and deciding on the van are three separate decisions with three separate tools behind them; this one only says which order they showed up in and how much each one is costing while it waits.

The Diagnostic

Twelve questions, five minutes — the decisions you should be making, ranked by what each is costing you. The first one, in full, free.

Run it on your own figures →
Twelve questions ranked Brightline's tight cash first and a stale price worth $46,169 to $184,677 a year second — until 'we're already hiring' bumped the price question off the page | UnfoldCFO