Two pet shops sit on the same street. Shop A sells ₱300,000 a month. Shop B sells ₱220,000. Ask anyone which one is doing better and they will point at Shop A.
At the end of the month, Shop A keeps ₱8,000. Shop B keeps ₱18,000.
The difference is not luck or location. It is two numbers that most owners blend into one: gross profit and net profit. This lesson closes Module 1 by showing what each one measures and what each one tells you to fix.
What Is the Difference Between Gross Profit and Net Profit?
Two layers of profit, each answering a different question.
Gross Profit
Sales minus the cost of the goods you sold. It measures how well your pricing and buying work, before any running costs.
Driven by prices, supplier costs and product mix
Net Profit
Gross profit minus every operating expense. It is what the business actually keeps at the end of the month.
Driven by rent, staff, utilities and fees
Gross profit tells you whether your products are priced right. Net profit tells you whether the whole shop works. You need both to know where to look when money is tight.
Two Profits, Two Margins
Four numbers that fit on one notebook page.
See It in Pesos: Shop A vs Shop B
Same street, same gross profit, very different months.
Shop A. Bigger Sales
Shop B. Better Margins
Both shops earn exactly ₱66,000 in gross profit. Shop A needs ₱80,000 more in sales to get there, because its gross margin is 8 points lower. Its running costs are also ₱10,000 higher, so it keeps less than half of what Shop B keeps.
What Each Number Tells You to Fix
Read gross and net together, and the next step becomes clear.
Low gross margin, low net profit
Fix pricing and buying first. Your products are not earning enough to carry the shop. Module 2 covers pricing step by step.
Healthy gross margin, low net profit
Your products earn enough, but running costs eat it. Review rent, staffing and fees against your sales. Module 3 covers costs and break-even.
Low gross margin, healthy net profit
Lean running costs are carrying you. One rent increase or new hire could flip the month, so lift margins while things are calm.
Healthy gross margin, healthy net profit
Protect both every month. This is the position to grow from, because each extra sale adds real profit.
What counts as healthy depends on your mix of products and services. Track your own numbers for three months, then aim to beat your own baseline.
Why Owners Mix Up the Two
Each mix-up leads to the wrong fix.
Chasing sales
Pushing volume when gross margin is the problem only adds work, stock and cash pressure.
Cutting staff first
If gross margin is low, cutting costs only buys time. The products still do not earn enough.
One blended number
Looking only at the cash left at month end hides which layer is leaking.
Track Both Numbers Every Month
Seven lines, one page, ten minutes.
Start from your monthly profit check
Use the sales, COGS and operating expenses from Lesson 01.
Calculate both margins
Gross margin % = Gross profit ÷ Sales. Net margin % = Net profit ÷ Sales.
Find your box
Use the 4-box diagnosis above to decide what to fix first.
Compare month to month
One month is a snapshot. Three months show the direction.
Copy this: monthly profit tracker
| Line | Month 1 | Month 2 | Month 3 |
|---|---|---|---|
| Sales | ₱ ____ | ₱ ____ | ₱ ____ |
| Cost of goods sold | ₱ ____ | ₱ ____ | ₱ ____ |
| Gross profit | ₱ ____ | ₱ ____ | ₱ ____ |
| Gross margin % | ____ % | ____ % | ____ % |
| Operating expenses | ₱ ____ | ₱ ____ | ₱ ____ |
| Net profit | ₱ ____ | ₱ ____ | ₱ ____ |
| Net margin % | ____ % | ____ % | ____ % |
Gross Margin Starts With How You Buy
It is decided twice: when you set the price, and when you buy the stock.
Buying from many suppliers at different prices, with different fees and minimums, makes it hard to tell which products are actually earning their place on your shelf.
How Tail Stocks helps
Tail Stocks is a B2B wholesale marketplace for Philippine pet shops. You buy from multiple suppliers in one place at their own wholesale prices, with one order, one delivery and one payment.
With your buying in one place, comparing costs across products gets simpler, and so does protecting your gross margin.
Key Takeaways
- Gross profit = Sales − COGS. It shows whether your products earn enough.
- Net profit = Gross profit − Operating expenses. It shows whether the shop makes money.
- Bigger sales do not guarantee bigger profit. Margins decide.
- Low gross margin points to pricing and buying. Low net with healthy gross points to running costs.
- Track both margins every month and compare against your own baseline.
That completes Module 1 of PetshopMBA. You now know the difference between sales and profit, how to pay yourself properly, what your products really cost, and how to read both layers of profit.
Next week, Module 2 turns all of this into better prices, starting with the mix-up between markup and margin.
Protect your margins from the first order
Buy from multiple pet suppliers in one place, at their own wholesale prices.
Create your Tail Stocks account
Two pet shops sit on the same street. Shop A sells ₱300,000 a month. Shop B sells ₱220,000. Ask anyone which one is doing better and they will point at Shop A.
At the end of the month, Shop A keeps ₱8,000. Shop B keeps ₱18,000.
The difference is not luck or location. It is two numbers that most owners blend into one: gross profit and net profit. This lesson closes Module 1 by showing what each one measures and what each one tells you to fix.
What Is the Difference Between Gross Profit and Net Profit?
Two layers of profit, each answering a different question.
Gross Profit
Sales minus the cost of the goods you sold. It measures how well your pricing and buying work, before any running costs.
Driven by prices, supplier costs and product mix
Net Profit
Gross profit minus every operating expense. It is what the business actually keeps at the end of the month.
Driven by rent, staff, utilities and fees
Gross profit tells you whether your products are priced right. Net profit tells you whether the whole shop works. You need both to know where to look when money is tight.
Two Profits, Two Margins
Four numbers that fit on one notebook page.
See It in Pesos: Shop A vs Shop B
Same street, same gross profit, very different months.
Shop A. Bigger Sales
Shop B. Better Margins
Both shops earn exactly ₱66,000 in gross profit. Shop A needs ₱80,000 more in sales to get there, because its gross margin is 8 points lower. Its running costs are also ₱10,000 higher, so it keeps less than half of what Shop B keeps.
What Each Number Tells You to Fix
Read gross and net together, and the next step becomes clear.
Low gross margin, low net profit
Fix pricing and buying first. Your products are not earning enough to carry the shop. Module 2 covers pricing step by step.
Healthy gross margin, low net profit
Your products earn enough, but running costs eat it. Review rent, staffing and fees against your sales. Module 3 covers costs and break-even.
Low gross margin, healthy net profit
Lean running costs are carrying you. One rent increase or new hire could flip the month, so lift margins while things are calm.
Healthy gross margin, healthy net profit
Protect both every month. This is the position to grow from, because each extra sale adds real profit.
What counts as healthy depends on your mix of products and services. Track your own numbers for three months, then aim to beat your own baseline.
Why Owners Mix Up the Two
Each mix-up leads to the wrong fix.
Chasing sales
Pushing volume when gross margin is the problem only adds work, stock and cash pressure.
Cutting staff first
If gross margin is low, cutting costs only buys time. The products still do not earn enough.
One blended number
Looking only at the cash left at month end hides which layer is leaking.
Track Both Numbers Every Month
Seven lines, one page, ten minutes.
Start from your monthly profit check
Use the sales, COGS and operating expenses from Lesson 01.
Calculate both margins
Gross margin % = Gross profit ÷ Sales. Net margin % = Net profit ÷ Sales.
Find your box
Use the 4-box diagnosis above to decide what to fix first.
Compare month to month
One month is a snapshot. Three months show the direction.
Copy this: monthly profit tracker
| Line | Month 1 | Month 2 | Month 3 |
|---|---|---|---|
| Sales | ₱ ____ | ₱ ____ | ₱ ____ |
| Cost of goods sold | ₱ ____ | ₱ ____ | ₱ ____ |
| Gross profit | ₱ ____ | ₱ ____ | ₱ ____ |
| Gross margin % | ____ % | ____ % | ____ % |
| Operating expenses | ₱ ____ | ₱ ____ | ₱ ____ |
| Net profit | ₱ ____ | ₱ ____ | ₱ ____ |
| Net margin % | ____ % | ____ % | ____ % |
Gross Margin Starts With How You Buy
It is decided twice: when you set the price, and when you buy the stock.
Buying from many suppliers at different prices, with different fees and minimums, makes it hard to tell which products are actually earning their place on your shelf.
How Tail Stocks helps
Tail Stocks is a B2B wholesale marketplace for Philippine pet shops. You buy from multiple suppliers in one place at their own wholesale prices, with one order, one delivery and one payment.
With your buying in one place, comparing costs across products gets simpler, and so does protecting your gross margin.
Key Takeaways
- Gross profit = Sales − COGS. It shows whether your products earn enough.
- Net profit = Gross profit − Operating expenses. It shows whether the shop makes money.
- Bigger sales do not guarantee bigger profit. Margins decide.
- Low gross margin points to pricing and buying. Low net with healthy gross points to running costs.
- Track both margins every month and compare against your own baseline.
That completes Module 1 of PetshopMBA. You now know the difference between sales and profit, how to pay yourself properly, what your products really cost, and how to read both layers of profit.
Next week, Module 2 turns all of this into better prices, starting with the mix-up between markup and margin.
Protect your margins from the first order
Buy from multiple pet suppliers in one place, at their own wholesale prices.
Create your Tail Stocks account