Your revenue is up. Your margins look right on paper. And you are still stressed about cash. That is not a math problem. That is a visibility problem. This episode builds the system that fixes it.
Three things the 13-week cash flow forecast fixes that a budget or P&L cannot.
Profit is an accounting concept. Cash is a physical reality. You can close a $20,000 project in December, invoice on December 31st, and not see a dollar of it until January 30th on net-30 terms. Your December P&L looks strong. Your December bank account never saw it. Scale that across twelve clients and six vendors and you have a timing problem that no P&L will show you.
The gap between when money is earned and when it actually arrives is where businesses die. Revenue up 30 percent, profitable on paper, and you are holding your breath on the 15th because two client payments running three days late coincided with payroll and a vendor invoice. That is a timing problem. And timing problems cannot be solved by selling more. You cannot invoice your way out of a gap that is already open.
The 13-week forecast is a rolling weekly view of every dollar coming in and every dollar going out for the next 90 days. It maps your actual cash position, not your projected revenue. It accounts for when invoices get paid, when obligations hit, and what the gap between those two looks like week by week. You stop finding out about problems after they arrive and start seeing them ninety days before they do.
A profitable business can still run out of cash, because profit and cash are not the same thing. Profit is an accounting result, cash is when money actually lands in and leaves your account, and the gap between those two moments is invisible without a system built to show it. A 13-week cash flow forecast is that system: a rolling ninety day view of what you will actually have on any given week.
The walkthrough covers why profit and cash separate, exactly what the five column forecast contains, and the weekly habit that keeps it accurate.
It is a rolling ninety day view of when money actually enters and leaves your bank account, built week by week. The standard format has five columns: the week, expected cash in, expected cash out, the net position for that week, and the cumulative running balance. Unlike a budget or a profit and loss statement, it answers when you will have money rather than how much you earned.
Profit is an accounting concept and cash is a physical reality, and the two separate on timing. Revenue booked when you invoice may not arrive for thirty days or more, while payroll, rent, and vendor payments land on fixed dates regardless. Analysis from the American Institute of CPAs found 82 percent of the small business failures it studied were preceded by a cash flow crisis, and many of those businesses were profitable on paper.
Once a week, in about fifteen minutes. Replace last week's estimates with what actually happened, drop the week that just passed, add a new week at the far end so the window stays at thirteen weeks, then check the lowest point in your cumulative balance. A forecast built once and left alone stops being a navigation tool and becomes historical data.
A profit and loss statement reports what you earned and what it cost to earn it over a period that has already closed. A cash flow forecast shows when money moves in and out going forward, and what the balance looks like in each of the next thirteen weeks. Running a business on the profit and loss alone is like navigating with a map that shows roads but not traffic.
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