Why More Sales Do Not Always Mean More Profit

A busy business can look like a successful business. But more customers, more orders, and growing revenue do not automatically mean more profit. This article walks through three simple, fictional examples that show how sales can grow while real profit quietly shrinks — and what to check before chasing more revenue.

All resources

When growth looks good but feels wrong

More customers are coming in. More orders are being processed. Revenue is moving in the right direction. From the outside, everything appears to be improving.

But then the owner checks the bank account or the monthly profit and asks a frustrating question:

“Where did the extra money go?”

The answer is often hidden in discounts, commissions, additional labour, product costs, unpaid working hours, waste, or other expenses that grew together with sales.

Revenue tells you how much the business sold. It does not tell you how much the business kept.

That difference is the subject of this article. The examples below are simplified and fictional, but the underlying situations are common in small businesses.

Example 1: A discount increases sales but reduces profit

Consider a small shop selling a product for €50. The product costs the shop €30, so the gross profit before operating expenses is:

€50 − €30 = €20 per unit

If the shop sells 100 units, the result is:

  • Revenue: €5,000
  • Product costs: €3,000
  • Gross profit: €2,000

The owner then introduces a 20% discount. The selling price falls from €50 to €40, but the product still costs €30. The new gross profit per unit is:

€40 − €30 = €10

At first, the promotion looks successful. More products are sold and revenue increases. But now look at what happens to the money left from each sale.

Sales volume increases from 100 units to 150 units. The new result is:

  • Revenue: €6,000
  • Product costs: €4,500
  • Gross profit: €1,500
The sales report improved by €1,000. Gross profit became €500 worse.

The shop processed 50% more units, but gross profit fell from €2,000 to €1,500. This is the part that is easy to miss.

The business became busier, handled more transactions, moved more stock, and probably created more work for staff. But it earned less gross profit.

What happened?

The owner measured the discount against the selling price rather than against the existing profit margin. A 20% discount does not reduce profit by 20% when the original profit is only €20 on a €50 sale. It removes half of the gross profit per unit.

The business would need to sell 200 discounted units to earn the same €2,000 gross profit as before:

€2,000 ÷ €10 = 200 units

That means sales volume must double just to maintain the previous gross profit.

This does not mean discounts are always bad. A promotion may help clear old stock, attract new customers, or support a broader strategy. But the required increase in sales volume should be calculated before the discount is launched.

Higher revenue, lower gross profit

Before discount

Revenue€5,000
Gross profit€2,000

After discount

Revenue€6,000
Gross profit€1,500

Revenue increased by 20%, while gross profit decreased by 25%.

Example 2: A pizza corner receives more orders but earns little from them

A small pizza takeaway normally handles 80 orders on a Friday evening. Its average order value is €18. Revenue is:

80 × €18 = €1,440

Suppose ingredients, packaging, and payment fees equal about 40% of sales:

€1,440 × 40% = €576

The contribution before fixed costs and regular labour is:

€1,440 − €576 = €864

The owner starts using a delivery platform and receives 35 additional orders. Total orders rise from 80 to 115. Revenue increases to:

115 × €18 = €2,070

At first, this looks like a good result. The order counter tells one story: 35 additional orders. The cost calculation tells a different one.

The additional platform orders include:

  • a 25% platform commission
  • extra packaging
  • an additional employee for the busy period
  • occasional refunds and delivery mistakes

For the 35 additional orders:

  • Revenue: €630
  • Ingredients and packaging: €252
  • Platform commission: €157.50
  • Extra labour: €120
  • Refunds and mistakes: €30

The remaining contribution is:

€630 − €252 − €157.50 − €120 − €30 = €70.50

More orders do not automatically mean more valuable orders.

Think about what this means in practice. The kitchen prepared 35 additional orders. Staff handled more pressure. The business added only €70.50 before fixed costs and taxes.

If the kitchen becomes overloaded, regular customers wait longer, quality falls, or the owner stays several extra hours, even that small contribution may not be worth the operational pressure.

What should the owner examine?

The delivery channel should not be judged only by additional revenue. The owner should monitor:

  • contribution per delivery order
  • commission as a percentage of revenue
  • extra labour required
  • refund rate
  • average order value
  • whether delivery orders reduce service quality for direct customers

The platform may still be useful. But the decision should be based on the profit and operational value of the channel, not only the number of orders.

Where the additional €630 of delivery revenue goes
  • Ingredients and packaging€252.00(40%)
  • Platform commission€157.50(25%)
  • Extra labour€120.00(19%)
  • Refunds and mistakes€30.00(5%)
  • Remaining contribution€70.50(11%)

Contribution before fixed costs and taxes: €70.50

Only €70.50 remains from €630 of additional revenue before fixed costs and taxes.

Example 3: A freelancer earns more revenue but less per working hour

A freelance designer charges €60 per billable hour. In a normal month, the freelancer bills 100 hours:

100 × €60 = €6,000 revenue

The freelancer also spends 40 hours on:

  • sales calls
  • administration
  • revisions that cannot be billed
  • invoicing
  • marketing
  • project coordination

Total working time is therefore:

100 billable hours + 40 non-billable hours = 140 hours

The effective revenue per actual working hour is:

€6,000 ÷ 140 = €42.86

The freelancer then accepts more projects and bills 125 hours. Revenue rises to:

125 × €60 = €7,500

The freelancer sees €1,500 more revenue and may reasonably feel that the month was successful. But revenue is only one side of the calculation.

The additional projects require more communication, weekend work, revisions, and coordination. Non-billable time rises from 40 to 75 hours. Total working time becomes:

125 billable hours + 75 non-billable hours = 200 hours

The effective revenue per actual working hour becomes:

€7,500 ÷ 200 = €37.50

Monthly revenue increased from €6,000 to €7,500. But effective revenue per working hour fell from €42.86 to €37.50.

On paper, revenue increased. In practice, every hour became less valuable.

The freelancer earned more during the month, but less for each hour actually worked. After software subscriptions, subcontractor costs, taxes, insurance, and unpaid time off, the difference may be even larger.

What happened?

The freelancer focused on billable volume but did not measure total workload. For service businesses, revenue growth can become inefficient when:

  • clients require excessive communication
  • project scope is poorly defined
  • revisions are unlimited
  • rates do not reflect complexity
  • administration grows faster than billable work

Sometimes the better decision is not to accept more work. It may be to improve pricing, narrow the service scope, reduce unpaid tasks, or serve fewer clients more efficiently.

Monthly revenue
Normal month€6,000
Busier month€7,500
Effective revenue per actual working hour
Normal month€42.86
Busier month€37.50

Monthly revenue rose by 25%, but effective revenue per actual working hour fell by approximately 12.5%.

Revenue growth can hide several problems

More revenue is not automatically bad. The problem is that revenue can hide what is happening underneath.

1. The additional sales have a lower margin

A business may sell more low-margin products while sales of higher-margin products remain unchanged. Total revenue increases, but the product mix becomes less profitable.

2. Discounts reduce contribution faster than expected

The selling price falls immediately, while most costs remain unchanged. A relatively small discount can remove a large part of the profit.

3. Variable costs rise

More sales may require more materials, packaging, delivery, commissions, payment fees, or subcontractors. The additional revenue is not free.

4. Fixed costs increase in steps

At a certain level of activity, the business may need:

  • another employee
  • a larger location
  • new equipment
  • additional software
  • more vehicles
  • longer opening hours

This is where revenue can become misleading. The business may cross a point where costs suddenly increase.

5. Growth creates waste and mistakes

Higher volume may create:

  • spoilage
  • returns
  • refunds
  • overtime
  • quality problems
  • rushed purchasing
  • customer complaints

These costs are often not obvious in a sales report.

6. Cash arrives later than expenses

A business may record a sale today but receive payment in 30 or 60 days. Meanwhile, employees, suppliers, fuel, rent, and taxes must still be paid. The business can show growing revenue while experiencing increasing cash pressure.

Three numbers to check when sales increase

Sales revenue remains important. But it should be reviewed together with at least three other indicators.

Gross profit

Gross profit shows how much remains after the direct cost of producing or purchasing what was sold.

Gross profit = Revenue − Cost of goods sold

If revenue rises but gross profit barely changes, the new sales may have a weak margin.

Contribution margin

Contribution margin shows how much each sale contributes toward fixed costs and profit after variable costs. This is especially useful when analysing:

  • discounts
  • delivery channels
  • additional orders
  • services
  • marketing campaigns
  • product lines

Net profit

Net profit shows what remains after operating expenses and other business costs. A sales increase that requires more staff, advertising, rent, software, or vehicles may improve revenue while leaving net profit unchanged.

Growth should be measured in additional profit, not only additional revenue.

Before pursuing more sales

Before launching a promotion, accepting a large order, adding a sales channel, or increasing advertising, estimate:

  1. How much additional revenue could this generate?
  2. Which direct and variable costs will increase?
  3. Will extra labour or capacity be required?
  4. What is the expected additional contribution or profit?
  5. How many extra units or customers are required?
  6. When will the cash actually be received?
  7. What happens if the assumptions are wrong?

The calculation does not need to be perfect. Even a simple estimate is better than assuming that every additional euro of revenue improves the business.

The practical conclusion

More sales are valuable when they create enough additional margin to cover the costs, effort, and risk required to generate them.

Revenue growth alone can create a false sense of progress. The business may become busier without becoming financially stronger.

A useful sales report should answer two questions:

“How much did sales increase?”

“How much additional profit did that increase create?”

The second question is usually more important.

Want to check your own numbers?

You can run the same calculation with your own values using the related calculator.

Related calculators, cases, and guides

Have a question about this topic?

If you have questions, feedback, or a similar small business situation you would like explained, you can contact SME Finance Helper.

This article is for educational and planning purposes only. It is not accounting, tax, legal, investment, or financial advice. Any numbers shown are simplified examples.