Both can be true at once
"We made ₦3,000,000 profit" and "we have ₦600,000 and rent is due Friday" can both be honest.
Volume 07, Chapter 4
Cash Flow vs Profit
Profit is what the business has earned on paper. Cash is what is actually available to spend. A business can be genuinely profitable and still be unable to pay its rent this month.
The Golden Rule
Profit is what the business has earned on paper. Cash is what is actually available to spend. More profitable businesses fail from running out of cash than from a lack of profit.
Three timing gaps separate the two, credit sales, tied-up inventory, and lump-sum payments. A cash flow forecast, tracked separately from the profit statement, is the only fix.
ProfitAn accounting result, counted the moment a sale is made.
Cash flowThe real, physical movement of money, counted only once it lands.
The fixA cash flow forecast, tracked weekly, regardless of what profit says.
Timing is the whole story
Credit sales, tied-up inventory, and lump-sum bills all create a lag between profit and cash.
Forecast, don't just check the balance
Today's balance says nothing about what's due tomorrow.
Match your terms
Paying suppliers in 30 days while collecting in 90 guarantees a permanent cash gap.
1
Definition
Imagine a tailoring shop lands a large uniform contract, invoiced at delivery with 60-day payment terms. It's a genuinely profitable order, fully counted in that month's profit. But payroll and fabric bills are due long before that money arrives, and the ₦4,000,000 owed isn't collectible for two more months. The business is profitable and can still nearly miss payroll, both at once, both true.
Profit
is an accounting result, revenue minus costs, on paper, whether or not the cash has actually changed hands. Cash flow is the real, physical movement of money in and out of the bank account, right now. A business can be genuinely profitable and still be unable to pay its rent this month.
In One Sentence
This is arguably the single most dangerous gap in small business finance. More profitable businesses fail from running out of cash than from a lack of profit. Profit counts a sale the moment it's made, even if the customer hasn't paid yet. Cash flow only counts money once it's actually landed in the account. The lag between the two is where businesses quietly starve while their own paperwork insists they're doing well.
2
The Water Tank Explanation
A profit report is a piece of paper. It can say, truthfully, that the business earned ₦3,000,000 last month.
The cash tank is a physical container. What's actually in it right now depends on what has really flowed in and out, including money customers still owe (an unpaid invoice sitting outside the tank, in a pipe that hasn't opened yet) and money the business owes suppliers (about to drain out, whether or not new cash has arrived to replace it).
Both statements can be true at the same time: "We made ₦3,000,000 in profit last month" and "We only have ₦600,000 in the bank and rent is due Friday."
Memory Trick
Profit is what the business has earned on paper. Cash is what is actually available to spend. A signed order for ₦2,000,000, unpaid, is real profit on the books and exactly ₦0 in the bank until it's collected.
3
The Three Timing Gaps That Cause This
Credit Sales
A sale counts as revenue immediately, but the customer pays in 30/60/90 days.
Profit now, cash laterInventory Tied Up
Cash was already spent buying materials that haven't sold yet.
Cash out before profit existsLump-Sum Payments
Rent, tax, or a big supplier bill lands all at once, unrelated to that month's profit.
Unrelated to that month| Gap | What Happens | Effect on Cash |
|---|---|---|
| Credit sales | A sale is made and counted as revenue, but the customer pays in 30/60/90 days | Profit rises immediately; cash arrives later |
| Inventory tied up | Cash was already spent buying materials that haven't sold yet | Cash left the tank before any profit from selling them exists |
| Large one-time payments | Rent, tax, or a big supplier bill lands all at once | Cash drains in a lump, unrelated to that month's actual profit |
Recall Chapter 1's capital-vs-profit lesson: money that looks like profit on paper is often still capital in disguise, tied up in stock or in a customer's unpaid invoice, not yet safely converted into cash the business can actually spend.
4
The Fix: A Cash Flow Forecast
The tool for staying ahead of this gap is a simple, honest forecast, projecting cash in and cash out, week by week or month by month, regardless of what profit says:
| This Month (Forecast) | |
|---|---|
| Cash at start of month | ₦600,000 |
| + Expected cash collected from customers | ₦3,500,000 |
| − Expected payments to suppliers | −₦2,000,000 |
| − Rent, salaries, other fixed costs | −₦1,800,000 |
| = Projected cash at month end | ₦300,000 |
Notice this table never mentions "profit" once, it only tracks cash actually expected to move. Full worked template: Cash Flow Forecast Worksheet, built out further in Chapter 10: Budgeting and Forecasting.
5
Example Story: The Profitable Business That Nearly Missed Payroll
Here's the full version of the uniform-contract story from the start of this chapter.
MANIAC MINDZ took on a large uniform contract, invoiced at delivery with 60-day payment terms, a genuinely profitable order, fully counted in that month's profit. But payroll and fabric supplier bills were due in the meantime, and the ₦4,000,000 owed by the client wasn't collectible for two more months.
Only a cash flow forecast, checked in advance, surfaced the coming shortfall early enough to negotiate a shorter payment window with the client and delay one supplier payment by two weeks. The order was, and remained, genuinely profitable, it was cash timing, not profitability, that nearly caused a crisis.
6
Across Industries
Bright Path Academy
Cash-flow-vs-profit trapTermly fees collected upfront, but salaries and rent due monthly, profitable on the year, tight in specific months.
Green Fields Farm
Cash-flow-vs-profit trapOne large annual harvest payment against monthly running costs all year.
Precision Print & Press
Cash-flow-vs-profit trapA big corporate client on 90-day terms, while paper suppliers demand payment in 30.
7
Common Mistakes
Common Mistake #1: Checking Only the Profit Statement
A healthy profit report says nothing about whether Friday's rent is actually covered. Check the cash forecast separately, every week.
Common Mistake #2: Offering Generous Customer Payment Terms Without Matching Supplier Terms
Paying suppliers in 30 days while collecting from customers in 90 guarantees a permanent cash gap, no matter how profitable each sale is.
Common Mistake #3: No Forecast at All, Just "Checking the Balance"
The bank balance today says nothing about what's due tomorrow. A forecast is what turns a surprise shortfall into a manageable, plannable one.
8
Quiz Yourself
Quiz 1
A business made ₦3,000,000 profit but has ₦600,000 in the bank. Is that a contradiction?
No, profit is an accounting result that can include unpaid customer invoices and tied-up inventory; cash is only what's actually landed in the account.
Quiz 2
Name the three timing gaps that separate profit from cash.
Credit sales (revenue counted before cash arrives), inventory tied up (cash already spent before a sale happens), and large lump-sum payments unrelated to that period's profit.
Quiz 3
What single tool catches a cash shortfall before it becomes a crisis?
A cash flow forecast, projecting actual cash in and out, regardless of what the profit statement shows.
9
Practice Exercise
- List everything currently owed to your business by customers, and everything you owe suppliers/rent/salaries in the next 30 days.
- Build a simple forecast using Section 4's table with your real numbers.
- If the projected ending cash is uncomfortably low, decide now, which customer can be asked to pay sooner, or which payment can wait a week?
10
Quick Summary
Quick Summary
- Profit is an accounting result on paper; cash flow is money actually in the bank, right now, a business can be genuinely both profitable and cash-poor at the same time.
- Three gaps cause this: credit sales, inventory tied up, and lump-sum payments.
- The fix is a cash flow forecast, tracked separately from the profit statement, every week or month.
- Matching customer payment terms to supplier payment terms prevents a permanent structural cash gap.
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