Why your business can't survive a bad month

One slow month and you're doing math at the kitchen table. Payroll is Friday. Two big customers haven't paid. You're moving money between accounts, deciding which bill can wait a week, wondering if the card has room. A lot of the cash flow problems small business owners live through look exactly like this, and nearly every one gets blamed on the month.

The cash flow problems small business owners blame on the month started earlier

It's a reasonable thing to blame. Sales were down. A big job slipped. Two customers paid late in the same week, which never happens, except it keeps happening. Every bad month has a story, and the story is usually true.

But a business that can be knocked flat by one slow month was already flat. The month didn't create the danger. It just pulled back the rug and showed you there was no floor under it. A house doesn't fall down because it rained. It falls down because the foundation was never poured, and the rain was simply the first thing that tested it.

Good months hide this, which is why it feels sudden. When money comes in steady, nobody checks how thin the cushion is. Then one month comes in light and you find out the cushion was always a couple of weeks deep.

The bad month is the test. The business failed it before the month started.

You're thinner than you think

In a 2016 report, the JPMorgan Chase Institute looked at the cash flows of 597,000 small businesses and found the median one held enough cash to cover 27 days of its normal outflows. A quarter of them held fewer than 13 days. That's the typical business, with less than a month between normal and empty if the money stopped coming in.

Now put your own numbers on it. Say your payroll, rent, trucks, insurance and software run $60,000 a month, after the job costs come out. In a normal month, the work leaves $70,000 to cover it. A bad month leaves $50,000. That's a $10,000 hole. With $25,000 in the bank, you can take two bad months in a row before the third one breaks you. That's an example, but run it with your own figures and see how far off it is.

And it doesn't take a disaster to get there. It takes one customer paying late while another job slips a month. Ordinary weather.

Your best month set your overhead

Watch how the floor disappears. In a strong month, you feel the room. So you hire the extra person you've needed for a year. You lease the second truck. You sign up for the software, move to the bigger space, raise your own draw a little. Each one is a reasonable yes, and you made each one while the bank account looked healthy.

But you set your costs off your best months and then live through your average ones. Overhead only moves one direction without a fight. Revenue moves both. So every strong stretch ratchets the fixed costs up a notch, and the next slow stretch finds a business that needs more just to break even than it did a year ago.

Then there's the timing. Say, for example, you finish a $30,000 job this month. You've already paid $18,000 in labor and materials to do it. The customer has thirty days to pay and takes forty-five. For six weeks, you've floated your customer $18,000 at zero interest, out of the account that's supposed to cover payroll. Do that across a dozen jobs and growth starts eating cash faster than profit can refill it.

That's how a profitable business runs out of money. The profit is real. It's just always somewhere else when the bill comes due.

Working harder makes it worse

When the money gets tight, you do what got you here. You sell harder. You take the job with the thin margin because it brings cash in this week. You give a discount to get someone to pay early. You push the team to finish faster so you can invoice sooner.

Every one of those moves trades next month's floor for this month's payroll. The thin job eats capacity that could've gone to a profitable one. The discount comes straight out of the margin you need to build a cushion. The rush creates rework that costs more later. You survive the month and walk into the next one weaker.

And the real shock absorber, the one nobody puts on the books, is you. You skip your own paycheck. You float it on the card. You put in money you'd saved for something else. The business looks like it survived. It didn't. You absorbed the hit personally, and the business learned nothing.

You're not the buffer. You're just the last thing standing between the business and the wall.

The number you're avoiding

Plenty of owners, and I'm not saying you're one of them, keep the banking app closed during a bad week, because a number you haven't seen can't ruin your night. That's human. It's also how the number gets to pick the worst possible time to introduce itself.

So run the test. Without opening your banking app, answer this. If not one more dollar came in starting tomorrow, how many days would the business keep running? Not a feeling. A number of days.

Then the second question. What's the date of your next cash low point, the week in the coming quarter when the account will be at its thinnest? If you can name the week and the dollar figure, you've got a floor you can see. If you have to guess, or you'd rather not guess, the business is running without instruments, and the next slow month will be the one that tells you.

The fix is a floor, not a better month

The instinct is to fix this with more revenue. But a business with no floor at $1 million has no floor at $2 million either, just a bigger drop. More money flowing through a business with no structure under it only raises the stakes of the next bad month.

The fix is structural, and it's boring. The money routes itself before you touch it, so the cushion builds whether or not you remember to build it. Costs get set off what the business reliably makes, not off its best stretch. You know your low point weeks before it arrives, so a slow month is a plan you already made instead of a crisis you're living.

When it's in, a bad month stops being an emergency. It's a number you saw coming, absorbed by money that was set aside for exactly this, while you keep sleeping and payroll goes out Friday like it always does.

Stop waiting for the good months

You're telling yourself the next good month will fix it. It won't. Good months are when you'd build the floor, and they're also when it feels least necessary, which is why it never gets built.

A business that can't survive a bad month doesn't have a revenue problem. It has a floor problem, and floors get poured in good weather.