You negotiated 45 days. You're using twelve.

Every cash conversation in a portfolio review points the same direction. Money coming in. DSO, the aging report, which accounts are slow, how hard we are willing to chase them. It is a good conversation and it is only half a ledger.

The other half rarely comes up, because it has no villain. Nobody is late. Nobody is disputing anything. The money simply leaves earlier than the contract requires, week after week, and no one in the room ever chose that.

The pattern underneath

Somebody in procurement did real work to win 45-day terms. That work is sitting in a signed agreement nobody has read since. Downstream, accounts payable is not making a financing decision — it is clearing a queue. Invoices get approved when the approver has time, batched when the run is scheduled, and paid because paying is what closes the task. Tuesday is payment day, so the invoice that arrived Monday goes out on Tuesday, thirty-three days before it had to.

Ask why and you will not get a policy. You will get a habit with an honest explanation behind it: nobody wrote down that waiting was allowed. The terms live in a contract; the behavior lives in a queue; the two have never been introduced. And because paying early never breaks anything, it never generates an exception, and an exception is the only thing an operating review reliably notices.

The shape of the leak matters more than the size, because it tells you what kind of fix it is. If a handful of large invoices go out early, that is a decision someone made and can unmake. What I usually find is the opposite — the early payments are spread evenly across the whole ledger, which means there is no decision to reverse. There is only a default.

Where this one stops being a good idea

Here is the part I would rather say now than have you find out at the wrong end of it. Payables is the only working-capital lever where the obvious version of the fix, applied hard enough, does real damage. Stretch far enough past what you negotiated and you stop financing your business and start financing it with your suppliers' patience. That arrives as expedite premiums, as worse terms at renewal, as the vendor who suddenly cannot fit your job in this week.

The lines cross somewhere past the due date, and that crossing is the whole engagement. Everything to the left of it is cash you already negotiated the right to hold. Everything to the right is a loan you are taking from a relationship you will need again. The work is finding the line, not crossing it — and any fix that cannot tell you where the line sits is not a fix, it is a squeeze.

So the build is narrower than it first sounds, and better for it. Read the terms already sitting in the agreements. Stage each payment on the date the contract actually allows, with the early ones flagged and the reason visible. Let your controller approve the run. Same suppliers, same relationships, same week — the cash just stops leaving before it has to. The exceptions stay exceptions: the vendor on prepay, the discount worth taking, the relationship you deliberately pay early to protect. Those are decisions. What this removes is the thirty-three days nobody decided.

The cheapest capital in any portfolio is the capital you already earned. The second cheapest is the capital you already negotiated the right to keep a while longer, and then handed over anyway.