Question 1

What is a good gross profit margin?

Accepted Answer

Good gross margins vary by industry: SaaS/software: 70–85%, Consulting/services: 60–75%, Ecommerce (physical products): 30–50%, Retail: 20–40%, Restaurants: 60–70% (but after labor and overhead, net is only 3–9%), Manufacturing: 25–35%. Compare yourself to industry benchmarks, not absolutes. A 30% margin is excellent for retail but poor for software.

Question 2

What's the difference between gross margin and net margin?

Accepted Answer

Gross margin = (Revenue − COGS) ÷ Revenue. It shows product profitability before overhead. Net margin = Net profit ÷ Revenue. It shows actual profitability after all costs including tax. A company can have a 60% gross margin but 5% net margin if they have high operating costs. Warren Buffett looks for businesses with both high gross AND net margins as signs of durable competitive advantage.

Question 3

How do I improve my gross profit margin?

Accepted Answer

Three levers: (1) Raise prices — the most direct lever; even a 5% price increase on 40% margin products improves gross margin to 44% without touching volume, (2) Reduce COGS — negotiate better supplier terms (5–15% reduction common after year 1), streamline production, reduce waste, (3) Product mix shift — sell more of your highest-margin products and fewer of your lowest-margin ones.

Question 4

What is EBITDA and how does it relate to operating margin?

Accepted Answer

EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization) is similar to operating profit but adds back non-cash charges. It's the most common profitability metric used in business valuation and M&A. An operating margin of 20% and EBITDA margin of 25% would suggest $5% of revenue is in depreciation/amortization — common for capital-intensive businesses.

Question 5

What net profit margin do investors look for?

Accepted Answer

For valuation purposes, net margins above 10% are considered strong for most industries. The S&P 500 average net margin is approximately 11–12%. Top-tier tech companies (Apple, Microsoft) run 25–30% net margins. The key investor question isn't the margin itself, but whether the margin is expanding or contracting year-over-year — expanding margins signal competitive advantage and pricing power.

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