The month the work doubled and the money ran out. A worked example

No real company's books are behind the numbers here. They are invented and kept round so the mechanism shows through clearly. The shape they describe is entirely ordinary, and it is the most common way an otherwise healthy small business gets into trouble.

The business: a landscaping company, an owner, three employees, two trucks. It has been running four years, does mostly residential work, and has never had a month it could not cover.

May, on paper

May is the biggest month the company has ever had. Two commercial jobs land on top of the usual residential work, and the owner takes both.

Invoiced in May: $96,000. Costs incurred in May: $78,000, covering materials, payroll for three employees plus two temporary hires, subcontracted irrigation work, fuel, equipment rental, and the owner's own draw.

Profit for the month is $18,000. It is the best month in the company's history and by any reasonable measure it was a success.

May, at the bank

Of the $96,000 invoiced, the residential work was $31,000 and most of it was paid within the month, because residential customers pay on completion. Call it $28,000 collected.

The two commercial jobs together were $65,000, invoiced on net thirty terms, which in practice means somewhere between thirty and forty-five days. Nothing from those arrived in May.

So $28,000 came in. Against that, nearly all of the $78,000 in costs went out during the month, because materials were bought on delivery, payroll ran weekly, the equipment rental was billed on return, and the subcontractor invoiced immediately and was paid.

The bank balance fell by roughly $50,000 in the most profitable month the company had ever recorded. The owner, who had been watching the job schedule rather than the bank, discovered this three days before a payroll run.

Where the gap came from

Three separate causes, and they need three separate responses, which is why lumping them together as a cash flow problem does not help.

Timing. The $65,000 is real and it will arrive. This portion of the gap is a loan the company made to its commercial customers without deciding to. It closes by itself, roughly a month late.

Scale. The bigger the month, the bigger the gap, because costs are paid on the timescale of the work and revenue arrives on the timescale of the terms. This is the counterintuitive part: growth consumes cash. A month twice as large opens a hole twice as deep, and a company growing steadily never gets to the other side of it.

Structure. The company pays its suppliers and its people immediately and gets paid in thirty to forty-five days. That gap is permanent. It scales with revenue and it does not close on its own, ever.

Why the profit report hid it

A profit and loss statement is built on a rule called accrual: revenue is recorded when it is earned and costs when they are incurred, regardless of when money actually moves. That rule exists for a good reason. It matches the cost of a job to the revenue from that job, so you can see whether the work itself was worth doing.

What it cannot show is solvency. The May statement said the company earned eighteen thousand dollars, and that statement was accurate. It was answering a different question from the one that mattered that week, which was whether there would be money in the account on the fifteenth.

The two questions need two reports, and most small businesses only ever produce one. Profitability tells you whether to keep doing this kind of work at these prices. Cash tells you whether you will still be here to do it. A company can survive a period of poor profitability if it has cash. It cannot survive a week without cash no matter how profitable it is on paper, which is why the second report is the urgent one even though the first is the one accountants produce by default.

The thirteen week view that would have shown it

The owner had a profit and loss report and a job schedule. Neither of them shows this problem, because both are organized around when work happens rather than when money moves.

The tool that shows it is a thirteen week cash forecast: a simple grid, one column per week, listing what is expected to arrive and what is committed to leave. Payroll dates, rent, insurance renewals, loan payments and estimated material purchases on the outgoing side. Expected collections, dated on realistic payment behavior rather than on invoice terms, on the incoming side.

Thirteen weeks is the right horizon. Long enough to see a shortfall while there is still time to act on it, short enough that the estimates are not fiction. Updated every Monday, it takes twenty minutes.

Run against May, the forecast would have shown the shortfall in the third week of April, when there were still four or five options available.

What those options were

Ranked by how much they cost, cheapest first.

1. Change the payment terms on the commercial work before accepting it. A deposit on acceptance, a progress payment at a defined stage, and the balance on completion. This is normal in commercial work and it is asked for far less often than it is granted.
2. Open supplier accounts. Paying materials on thirty day terms rather than on delivery moves a large cost to the far side of the collection date. Suppliers extend accounts to established customers routinely and the application is short.
3. Invoice faster and chase earlier. Invoices sent on completion rather than at month end move the whole clock forward by up to three weeks. A polite call at day twenty-five rather than a letter at day forty-five changes payment behavior more than most people expect.
4. Arrange a line of credit before it is needed. This is the one that has to be done in advance. A facility arranged in a good month is available in a bad one; the same application made three days before payroll is a different conversation entirely.
5. Take the work in a sequence the business can fund. Sometimes the answer is to start one commercial job in May and one in July. It feels like turning away money. It is turning away a cash hole.

The number to watch every month

One figure summarizes most of this and it is easy to calculate. Take the average number of days between finishing a job and being paid for it, add the average number of days materials sit before they are used, and subtract the average number of days you take to pay suppliers. The result is how many days of operating cost the business has to fund out of its own pocket on every job.

For this company before the change, the figure was somewhere near forty days: paid at roughly forty days, materials bought immediately, suppliers paid immediately. Forty days of operating cost is a large number for a business of that size, and it is the amount of cash the company needed to have available at all times simply to keep running at its existing volume.

After opening supplier accounts and adding deposits to commercial work, the figure dropped by more than half. Nothing about the work changed and no revenue was added. The business simply stopped financing its customers and its suppliers out of the same account it used to pay its people.

How it resolved, and what changed

The owner covered the payroll by delaying their own draw and paying two supplier invoices late, which cost a small amount in fees and a slightly awkward phone call. The commercial payments arrived in late June and the company ended the quarter well ahead.

The lasting change was procedural rather than dramatic. Commercial work now carries a deposit and a progress payment. Two supplier accounts were opened. Invoices go out the day a job finishes rather than at month end. And a thirteen week forecast is updated every Monday morning before anything else happens.

The company is the same size it was, does the same work, and has not had a week like that since. Nothing about the profitability changed, because the profitability was never the problem. What changed was the timing, and timing is the part a business can actually control.