Cash Flow

The 7 Levers of Cash Flow: Where Cash Hides in a Profitable Business (and What a 1% Move Frees)

The number your P&L will never show you.

By Samer Azar, CFA · 2026-06-24 · 11 min read

A business can be profitable every single month and still run out of cash. That is not a rare edge case. It is the most common way good companies get into trouble, and it almost never shows up on the one report founders actually read.

I have spent years inside the books of companies across more than a dozen countries. The pattern repeats everywhere. Revenue is up. Margin looks fine. The P&L says the business made money. And the founder is still refreshing the bank balance on a Friday afternoon, wondering where it all went.

It went into three places, and none of them is on the P&L. It went into stock sitting in a warehouse. It went into invoices sitting on a customer's desk. And it went out the door to suppliers before any of it came back. That is working capital, and for a profitable business it is almost always the real story.

So I want to give you the map I use. Seven levers move the cash in any business. Once you can see all seven in one frame, you can see exactly where your own cash is stuck, and what a small move on each one would free. This is also the exact model I am building Cash Actions on, in public, so you will see it run later in this piece.

Before the levers, one thing worth saying plainly. Cash flow looks like an accounting topic. It is really the score in a game you are playing on behalf of other people. Behind every number on that report is a story. A supplier who gets paid on time or does not. A hire you can make or have to delay. A month your team feels secure or senses something is off. And behind every decision sits a person, with pride and fear and a family, making the call under pressure. Manage the cash well and most of those stories end well. Manage it badly and they do not, however good the product is.

Profit is an opinion. Cash is a fact.

Profit and cash answer two different questions, and founders confuse them constantly.

Profit asks one thing: over a period, did you sell things for more than they cost. Cash asks a completely different thing: on any given day, how much money is actually in the account.

A sale turns into profit the second you send the invoice. It turns into cash only when the customer pays you, which might be sixty days later. Buy inventory and the cash leaves now, the profit shows up whenever the stock sells. Pay a supplier early and the cash is gone, while the P&L barely notices.

Every gap between those two timings is cash you earned but cannot spend. Stack enough of those gaps while you are growing, and you get the cruelest version of the trap: a record month that nearly takes you under, because growth spends cash up front and returns it slowly. Your best month can be your most dangerous.

This is not a discipline problem and it is not your fault. Nobody hands a founder a map of where cash actually moves. So here it is.

The seven levers that move every euro of cash

Every business, in every industry, moves its cash through the same seven inputs. Change one and cash changes with it. Four of them live on your P&L. Three of them live in working capital, on the balance sheet, which is the half most founders never look at.

There is one more thing that is not a lever but matters just as much. Cash trouble rarely announces itself. A margin slips a point a month. A reliable payer drifts later and later. A cost creeps up while you are busy shipping, and a runway you thought was fine quietly shortens. Call this the watch layer: the trends and anomalies around the seven levers. The levers tell you where your cash is. The watch layer tells you when one of them is quietly turning against you, while it is still small and cheap to fix.

The reason this is a model and not a list of tips is that it is closed. There is no eighth lever. Every cash move ever made, in any company, was one of these seven.

The Power of One

Here is the part that makes the model usable.

"Improve your cash flow" is advice nobody can act on. It is too big and it points nowhere. So Alan Miltz, who built the Power of One at Cash Flow Story, asked a much smaller question instead: what does a single one-unit move on each lever actually free up. One percent on price. One day on collections. One day off inventory.

That reframe does two things. It makes each lever a number you can compare, so you can see which one is biggest for your business. And it makes every move feel safe, because it is. A 1% price rise rarely costs you a customer. Collecting a day faster is one firmer email. None of these is a heroic bet.

Small does not mean small results. The levers are independent, so their effects stack. Move three or four of them 1% at once, none enough for a customer to notice, and the total can change your runway. The job is to find your one or two biggest levers and pull those first.

What a 1% move actually frees

Let me put numbers on it. Take an illustrative direct-to-consumer brand doing €5M a year. To be clear, none of these are a real client result. They are the standard illustrative figures I use to show the mechanics, and you can run your own in the calculator below.

Pull the first three together: a 1% price nudge, a 1% trim on cost of goods, one day out of inventory. That is about €89,300 freed in a year, and not one of the three is big enough for a customer to feel. Add a single day faster on collections and you are close to €99,000 freed in a year, without selling one extra unit.

Here is the idea that matters most, because it is the whole reason this works: continuous improvement, one percent at a time. One collected invoice, one payment held to its due date, one price nudge, each frees a few thousand on its own. Done every week, they compound. On the same illustrative €5M brand, a year of those small moves adds up to roughly €142,000 freed, one move at a time, and a business that increasingly funds its own growth.

The founders who never run tight on cash share one habit. They make the right small move, on the right lever, every single week.

Where your cash is really hiding

If you sell a physical product, most of your trapped cash sits in two levers, and both are on the working-capital side: inventory and collections.

Inventory is cash you have already spent, sitting on a shelf, waiting to turn back into money. Every extra day of stock is a day that cash is yours on paper and unavailable in practice. A brand carrying sixty or ninety days of inventory can have more cash in the warehouse than in the bank. That is how you post a great quarter and still cannot fund the next production run. The profit is real, it is just wearing the shape of boxes.

Collections is the same trap, one step downstream. You shipped, you booked the revenue, and now your cash is an unpaid invoice on someone else's desk. The longer your collection days, the longer your money is funding your customer's business instead of yours. Sell through wholesale or retail partners on thirty, sixty, or ninety-day terms and this is often the single largest pool of cash you have locked up anywhere.

Notice what this means. A founder who only ever reads the P&L is staring at the one statement where the trapped cash is not. It is in inventory days and collection days, two of the seven levers, and neither one appears on the P&L at all.

The one number that tells you how long your cash is trapped

Those three working-capital levers roll up into a single number worth knowing: the cash conversion cycle. It is the clearest measure of how hard your working capital is working.

Cash conversion cycle (days) = DIO + DSO − DPO

DIO is inventory days, how long stock sits before it sells. DSO is collection days, how long invoices take to get paid. DPO is payment days, how long you take to pay suppliers.

In plain terms, it is the number of days between paying for something and getting paid for it. Inventory days plus collection days is how long your cash is out in the world. Payment days is the slice of that your suppliers are covering for you. The difference is how long you are funding it, out of your own account.

A shorter cycle means cash returns faster, which means you need less of it to run the same business. Hold less stock, collect faster, or pay later inside terms, and the cycle shortens. This is the working-capital scoreboard, and three of the seven levers point straight at it.

How to move each lever this week

None of these needs a new system or a bigger team. They need you to know which lever is biggest for you, and to actually pull it.

1. Price (+1%). Raise list price one percent on your strongest products, the ones people buy on value, not on price comparison. A 1% rise almost never moves volume, and it is the lever that lands most directly in cash. Test it on one segment first.
2. Volume (+1%). Sell the cheapest extra unit you can, which is almost always a second purchase from an existing customer rather than a new one. Order bumps, a relevant add-on at checkout, and reactivating lapsed buyers all add volume without adding acquisition cost.
3. Cost of goods (−1%). Re-quote your top three input costs once a year, and consolidate volume with fewer suppliers to earn a better rate. One percent off the cost of every sale widens margin on everything you ship.
4. Overheads (−1%). Audit the recurring subscriptions, tools, and services you no longer use at full value. It is the least glamorous lever and the most certain, because every euro you cut falls straight to cash with no risk to a sale.
5. Collection days (DSO −1). Invoice the day you deliver, not at month-end. Make terms explicit and send the first reminder before the due date, not after. Getting paid a day sooner is usually a process fix, not a pressure tactic.
6. Payment days (DPO +1). Take the full terms your suppliers already offer. Paying on the due date instead of early, while staying inside terms and protecting the relationship, holds a day of purchases as your cash at no cost.
7. Inventory days (DIO −1). Find your slowest-moving lines and stop reordering them on autopilot, then tighten reorder points on the rest. Every day of stock you do not hold is cash back in the account instead of on a shelf.

The hard part is never the tactic. It is knowing which lever is biggest this quarter, and remembering to act on it every week instead of once a year.

See it on your own numbers

Drag the levers and watch the cash you would free in a year. The default reads €92,000 a year, illustrative for a €5M brand. Move price, collections, and cost of goods to your own size to find your biggest lever.

Run it once and you will see your largest lever. That is the easy part. A dashboard can show you that much, what happened and where you stand today. The harder and more valuable thing is being handed the next move every week, as your inventory, your payers, and your costs keep shifting underneath you. A snapshot cannot do that. Something has to watch.

What is actually at stake

It is worth being honest about why this matters, because it was never really about the arithmetic.

Cash flow is how you manage risk. Run out of it and the business stops, however strong the order book looks. When that happens you fail more than a spreadsheet. You fail the customers who depend on you, the team whose pay you promised, and the family whose life you built around this. That is the real weight behind a cash position, and every founder feels it even when they never say it out loud.

Get it right and the upside is just as real. The cash you free from your own levers is the cheapest growth capital that exists. No interest. No dilution. No covenant. No investor to answer to. You are funding your next move with money the business already earned and was simply sitting on. Most founders go hunting for that money from a bank or an investor, when a large share of it was trapped in their own inventory and invoices the whole time.

What it comes down to

Profit is an opinion. Cash is a fact. The seven levers are how you manage the fact directly, instead of hoping profit quietly turns into money in the bank.

Four of them live on your P&L: Price, Volume, Cost of goods, Overheads. Three live in working capital, where the trapped cash actually sits: Collection days, Payment days, Inventory days. The Power of One sizes each one so you can find your biggest and pull it. The moves are small, safe, and reversible, and made every week they compound into months of runway.

This is fixable, faster than you think. The hard part was never the math. It was seeing all seven levers in one place, and keeping them in front of you week after week.

Take your cash seriously and you are doing yourself the biggest favor a financial decision maker can. In your cash flow sits the possibility of your biggest dream and the avoidance of your worst nightmare. Everything else in the business is downstream of whether you choose to manage it on purpose.

So this month, that is what I am building.

Two ways to put this to work. If you want to see where your own cash is leaking, the free Cash Confidence Scorecard shows where your cash is leaking in about three minutes. If you want all seven watched for you, Cash Actions reads straight from your accounting system and sends the ranked moves every Monday. The calculator shows you the levers once. Cash Actions watches all seven, every week.

P.S. Know a founder who is profitable on paper and still tight on cash every month? Forward this to them. The map is the same for every business. Most people have just never seen all seven levers in one place.