Why Growing Fast Can Run You Out of Cash

Short Answer: Yes. New work costs money before it pays: you pay the crew, the materials and the equipment now, and customers on payment terms pay you a month or more later. Each new customer widens that gap, so a business that grows quickly can run out of cash while every new job is profitable. The fix is to size the gap before you sign the work and arrange the cash to cover it.

It sounds backward. More customers, more revenue, more profit, and less money in the bank. But profit counts work when it's done, and cash counts money when it moves. When the two are a month apart and the business is adding work every month, the gap never closes; it grows.

Where Does Growth Use Cash?

Three places, and a growing business usually hits all of them at once:

• Unpaid invoices. Money you've billed but not collected is accounts receivable. If customers pay 30 days after the invoice, every new customer adds a month of their billing to the pile you're waiting on.
• Costs paid ahead of the revenue. Wages, materials and fuel for the new work leave the account as the work is done, weeks before the invoice is paid.
• Equipment and hires to handle the volume. A new mower, a new vehicle, a new hire's first weeks: all paid in full before they earn anything.

A Worked Example: Six New Contracts in April

Take a hypothetical landscaping company, Greenline Landscaping, with about $520,000 a year in revenue. Commercial clients pay 30 days after the invoice. Each commercial maintenance contract bills $1,800 a month and costs $1,080 a month to deliver, a 40% gross margin.

In April, Greenline signs six new commercial contracts and buys $7,000 of extra equipment (a second trailer and trimmer set) to handle them. Each month the new work bills $10,800 and costs $6,480, a profit of $4,320 a month. Here is what the cash does:

Profitable from the first day, and the new work doesn't put a dollar back in the bank until August. Now add the timing: April is already Greenline's tightest month. Its balance starts at $30,000 and ends at $4,500 as March and April invoices wait to be paid (the full walk is in Profit Is Not Cash). Six new contracts and the extra equipment take that $4,500 to about −$8,980. A profitable decision, made in the wrong month, overdraws the account.

Why Does Faster Growth Make It Worse?

Because the gap scales with the pace. Sign 12 contracts instead of six and the April hole roughly doubles. Keep signing six new contracts every month and each month's batch opens a new gap before the last one has closed. The business never gets the cash back as long as it keeps growing at that rate; it gets it back when growth slows.

A useful rough measure: the cash growth ties up is about the monthly direct cost of the new work, multiplied by the months until customers pay, plus the equipment you buy to deliver it. For Greenline's six contracts: $6,480 × 1 month + $7,000 = $13,480.

How Do You Grow Without Running Out?

• Shorten the gap. A deposit at signing, or billing at the start of the month instead of the end, moves cash in earlier. Commercial clients will sometimes accept 15-day terms for a small discount.
• Finance the equipment. A payment plan turns $7,000 today into a monthly payment spread over the months the contracts pay.
• Time the start. The same six contracts starting in May, after the April low, keep the account positive.
• Line up credit before you need it. A line of credit arranged while the numbers look good is easier to get than one requested in the overdrawn month.

What to Look For

• Receivables growing faster than revenue. If unpaid invoices climb faster than sales, customers are paying slower as you grow, and the gap is widening on two fronts.
• Your cash low point, month by month. The average balance can look fine while one month goes negative. Check the lowest month, not the average.
• Equipment bought in your tightest month. Moving a purchase by a few weeks is often the cheapest fix available.

What a Finance Consultant Would Do Next

A consultant looking at Greenline's six contracts would lay the new work over the season's cash, see the April hole, and propose moving the start to May or asking for a first-month deposit. They'd test financing the equipment against paying cash, and set a growth pace (how many new contracts a month) the account can carry without borrowing.

That analysis is what Occam's Model runs on your own books. It shows the path from your revenue to your cash, tests a change in volume or in how fast customers pay against a copy of your business, and forecasts the months ahead so the low point shows up before you get there. When you need extra help, an expert can review it with you.

Common Questions

Can a profitable business go bankrupt from growing too fast?
Yes. A business fails when it can't pay its bills, and fast growth on payment terms is one of the most common ways a profitable business ends up there.

How much cash do I need to grow?
Roughly the monthly direct cost of the new work times the months until customers pay, plus the equipment and hires you add up front. Check it month by month, because the low point is what matters.

Is it better to grow slower?
Grow at the pace your cash can carry. If you can shorten payment terms or finance equipment, that pace goes up.

Does this apply to businesses that get paid upfront?
Much less. A business paid at the time of sale or in advance can use customers' money to fund growth. Equipment and hiring still cost cash first.