How to Know If Your Small Business Is Actually Making Money
A Quick South African Guide to Sales, Costs, Cash and Real Profit
You had sales. Customers paid you. The business was busy. But after stock, expenses, transport, household withdrawals and all the small costs are counted, how much money did your business actually make?
This practical Quick Guide helps South African small-business owners look beyond turnover and understand what is really happening to their money.
Written for real South African small and informal businesses.
Sales Look Good. So Why Is There So Little Money Left?
A busy day can feel like a successful day.
Products moved. WhatsApp orders came in. Customers paid. Perhaps you even sold out.
But sales are not profit.
Some of that money must replace stock. Some pays for ingredients, transport, electricity, packaging, data, transaction charges, deliveries and other expenses.
Some may also leave the business for groceries, electricity, school costs, transport or other household needs.
The real question is: after everything is counted, what did the business actually earn?
This Guide May Be for You If…
This is not written only for formal companies with accountants, offices and sophisticated financial software. It is designed to help ordinary entrepreneurs begin understanding the money inside their businesses.
Understand the Numbers Behind Your Business
The goal is not to turn you into an accountant. The goal is to give you enough financial visibility to make better day-to-day business decisions.
Sales vs Profit
Understand why money received from customers is not the same as money earned by the business.
Your Real Cost Per Sale
Include stock, ingredients, transport, packaging, commissions, transaction charges and consumables.
The Costs You Forget
Identify expenses such as airtime, data, electricity, gas, spoilage, damaged stock, waste and delivery.
Where the Cash Went
Understand why a business can make a profit but still experience cash shortages.
Business vs Household Money
Learn to record personal withdrawals and create clearer separation between business and household spending.
Your Break-Even Point
Estimate how much you need to sell before the business has covered its basic operating costs.
Your Weekly Profit Check
Build a simple weekly habit for checking sales, costs, expenses, withdrawals and approximate profit.
Find the Money Leaks
Look for waste, spoilage, low-margin products, unnecessary expenses, credit and slow stock.
Take Control for 30 Days
Put everything together in a practical four-week money-control programme.
A simple example: A trader can collect R1,000 in sales and still have only a small amount left after stock, transport, packaging and trading expenses are paid. That is why judging a business by turnover alone can be misleading.
Your 30-Day Money-Control Plan
The guide does not stop at explanations. It gives you a simple four-week process for applying the principles to your own business.
Record Everything
Record every sale, expense and personal withdrawal. Start making the movement of money visible.
Know What You Sell For
Calculate the real cost of your important products or services and identify weak margins.
Find the Leaks
Look for waste, spoilage, unnecessary transport, discounts, unpaid credit, slow stock and repeated small expenses.
Measure the Result
Calculate sales, costs, approximate profit, owner withdrawals and the cash retained by the business.
Your Simple Money-Control Toolkit
Use the practical checks and calculations in the guide with your own business numbers.
You can begin with a notebook, calculator, receipts, smartphone or basic spreadsheet.
The point is not financial sophistication. The point is visibility.
“If money comes into the business or leaves the business, record it.”
You Do Not Always Need a 300-Page Business Book
One Important Problem
This guide focuses on one practical question:
Is my small business actually making money?
Instead of trying to teach every aspect of accounting, the guide concentrates on the numbers a small-business owner needs to start seeing clearly.
Start With What You Have
You do not need expensive software before you begin.
Start with your sales, receipts, expenses, stock costs, bank transactions and cash movements.
Record. Compare. Improve.
Douw Steyn
Douw Steyn is a South African business author and practical entrepreneurship writer focused on helping ordinary people start, strengthen and grow small businesses.
His work is built around a simple belief: business advice should be practical enough to use in the real world.
His guides focus on practical decisions, everyday business numbers and actions entrepreneurs can apply without unnecessary complexity.
How This Guide Was Developed
This guide is written specifically for the realities of small-business ownership in South Africa. It uses practical examples such as traders, food sellers, resellers, salons, car washes and home-based businesses to explain financial principles in everyday language.
The calculations are deliberately simplified so that entrepreneurs can apply the concepts using their own records. Where formal accounting, tax, registration or legal obligations are involved, business owners should verify current requirements with the relevant South African authority or an appropriately qualified professional.
First published: 2026
Author: Douw Steyn
Market: South Africa
Purpose: Practical small-business education
Related South African Business Guides
Understanding whether your business is making money is one part of building a stronger business. These related resources can help you improve pricing, day-to-day control and profitability.
Already Running a Spaza Shop?
Read 5 Things Every Spaza Shop Owner Must Get Right to Stay Open and Make Money in South Africa for a practical look at the disciplines that can determine whether a busy spaza shop also becomes a sustainable, profitable business.
Questions About the Quick Guide
A few quick answers before you decide whether this guide is right for your business.
Is this an accounting book?
No. This is a practical small-business guide designed to help you understand the basic numbers behind your business, including sales, costs, cash, owner withdrawals, break-even and approximate profit.
Do I need accounting knowledge to use this guide?
No. The calculations are deliberately simple. You can start with a notebook, calculator, receipts, your phone and the records you already have.
Who is this guide written for?
It is aimed at South African small-business owners, informal traders, side-hustlers and micro-enterprises, including food sellers, resellers, spaza shops, salons, service businesses and home-based businesses.
Will this guide tell me exactly how much profit my business makes?
It will help you calculate a much clearer estimate using your own sales, costs and expenses. The accuracy of the result depends on the quality of the records you use.
What if I mix business money with household money?
That is one of the problems covered in the guide. You will learn how to start recording personal withdrawals and create a clearer separation between business and household spending.
Does the guide explain break-even?
Yes. It shows you a simple way to estimate how much you need to sell before operating costs are covered and the business begins producing profit.
Does it include practical exercises?
Yes. The guide includes practical checks, calculations and action exercises, including weekly profit checks, cash checks, break-even calculations and a 30-day money-control plan.
Can I use this if I run a very small or informal business?
Yes. The guide is designed so that you can begin without expensive software or sophisticated bookkeeping systems. The focus is on practical control using tools you already have.
What if my sales are good but I still struggle to replace stock?
That is exactly the kind of warning sign this guide helps you investigate. Strong sales can still produce weak cash flow if margins are too low, costs are being missed, withdrawals are too high or stock replacement is not being planned.
Is this guide a replacement for an accountant or bookkeeper?
No. It is an educational and practical management guide. It does not replace formal bookkeeping, accounting, tax, legal or professional financial advice where these are required.
Important: This guide is provided for general educational and informational purposes. It does not constitute personalised financial, accounting, tax, legal or business advice.
Business conditions, costs, tax rules and regulatory requirements may change. Where a decision involves tax, registration, employment, licences, permits, formal accounting or legal obligations, verify the current requirements with the relevant South African authority or an appropriately qualified professional.
Stop Guessing Whether Your Business Is Making Money
Start with today’s numbers. Record what came in. Record what went out. Understand what remains — and use that information to make better business decisions.
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