You just had your best month. Sales up, product flying out the door, the kind of month you screenshot and share on a group chat. Then a supplier invoice lands, you go to pay it, and the account can’t cover it.
Nobody warns you about this one. The story we’re sold is that cash trouble is a symptom of failure, the slow death of a business going under. The reality is different. Some of the tightest cash crunches happen to businesses that are growing fast and turning a profit on paper.
You can do everything right, your revenue chart pointing straight up, and still lie awake over this. Nothing went wrong. You just ran into the gap between earning money and having it, and no one showed you it was there.
Once you can see the gap, though, you can plan around it.
Short on time? Here are the key takeaways
- Revenue and cash are on different clocks: you record the sale today and the money might not arrive for weeks.
- You can be profitable and still broke: profit lives on a report, cash lives in your account, and they rarely line up in real time.
- Growth widens the gap: the faster you scale, the more you pay out before the customer money catches up.
- An unpaid invoice is your cash in someone else’s account: getting paid sooner is a growth lever, not just admin.
- The gap is predictable: map the timing of money in and out and a cash crunch stops being a surprise.
Revenue and cash are on two different clocks
Here’s the distinction that trips everyone up. Revenue is recorded when you make the sale. Cash is what’s in your account. Those two events can be weeks, sometimes months, apart.
You ship an order in January. The customer pays on thirty-day terms, so the money shows up in February. Your accounts, quite correctly, call that January revenue. Your bank balance calls it nothing at all until February. Multiply that across every sale and every supplier payment, each clearing on its own schedule, and you get a business whose reported performance and whose bank balance are telling two different stories on any given day.
Neither story is lying. They’re measuring different things.
Profitable on paper, empty in the bank
This is why “are we profitable?” is the wrong question to feel safe on.
Profit is a calculation: revenue minus costs over a period. It can look healthy while your account scrapes the bottom, because profit doesn’t care about timing and your rent does. A business can post a tidy profit for the quarter and still miss a payment in week six, simply because the money it earned hasn’t landed yet.
Picture a store that sells out of its hero product. Great news. To restock, it pays the supplier now, upfront, for the next batch. That stock takes weeks to arrive and months to sell through. On paper the business is thriving. In the account, a big chunk of cash just walked out the door and won’t come back until all that stock turns into paid orders. That’s a profitable business holding its breath.
Why growth makes it worse
You’d think growth would fix a cash problem. Often it causes one.
Every bit of growth costs money before it earns money. More sales mean buying more stock and spending more on ads to bring the customers in, often before a dollar of it comes back. All of that goes out first. The customer payments arrive after, on their own delay. So the faster you grow, the bigger the pile of money you’re fronting at any moment, and the wider the gap between spending and receiving gets.
This is the cruel twist that catches good businesses. The better it’s going, the more cash the growth demands, and a founder celebrating a record quarter can be closer to a crisis than one plodding along flat. Growth is paid for in cash, and it’s hungry.
Close the gap from both ends
The good part is this is solvable once you stop being surprised by it. You work on two things: how fast the money comes in, and how clearly you can see what’s coming.
Speed first. Every unpaid invoice is your cash sitting in a customer’s account. Sending invoices the moment the work is done, setting clear terms, making it easy to pay, and chasing the ones that drift overdue, all of it pulls your own money back to you sooner. It isn’t glamorous, and it’s one of the highest-impact habits a growing business can tighten.
Then visibility. You need to see the timing, not just the totals: what’s due to come in and when, and what has to go out before then. This is where a tool like Xero pays for itself. It keeps your invoicing, your bank feed and your cash position in one place, sends and chases invoices for you, and shows you the shape of your cash flow before you hit the wall rather than after. The gap stops being a nasty surprise and becomes something you plan around.
Final Thoughts
Running out of money isn’t a sign you built a bad business. Plenty of good ones have come close, purely because revenue and cash keep different schedules and nobody warned them it was coming.
So learn the timing yourself. A sale and its cash are two separate events, so watch the timing as closely as you watch the totals, and treat getting paid faster as the growth lever it is.
That’s where Xero comes in. It brings your invoicing, payments and cash flow into one view, connects straight to your bank so the picture stays current, and helps you get paid sooner, so the gap between earning and banking stays survivable. It’s how you grow without holding your breath.
Foundr readers also get 95% off Xero for their first 6 months, so you can keep an eye on your cash without adding to your costs.
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Source: foundr.com
