Resources / Learning Center

Due diligence

Unit economics for franchise buyers

How to think about break even, margins, and cash flow at the single location level.

Unit economics for franchise buyers

Understanding unit economics helps you judge whether a franchise can support you financially. It answers three core questions: how much revenue you need to break even, how much margin you can keep, and what return you might earn on your investment.

Break-even: the revenue you need to cover expenses

Break-even occurs when total revenue equals total expenses. A simple formula is:

Break-even revenue = fixed costs divided by (1 minus variable cost percent)

  • Fixed costs include rent, insurance, and salaried labor.
  • Variable costs include supplies, hourly labor, and royalties.

Example:
If fixed costs are 15,000 dollars per month and variable costs are 60 percent, break-even revenue is 15,000 divided by 0.40, which equals 37,500 dollars.

Margins: how much of each dollar you keep

Margin refers to the percentage of revenue left after expenses.

Common margin terms

  • Gross margin: revenue minus direct costs
  • Operating margin: revenue minus all operating costs
  • Net margin: profit after all expenses, including owner pay

Margins vary widely by industry. Food service tends to have lower margins due to labor and food costs. Mobile service concepts often have higher margins but lower ticket sizes.

ROI: comparing profit to your investment

ROI stands for return on investment. It measures how long it takes to earn back your total investment.

ROI percent = annual profit divided by total investment

If you invest 300,000 dollars and earn 60,000 dollars per year in profit, your ROI is 20 percent. Many owners focus less on the headline number and more on consistent cash flow.

Why unit economics matter more than brand stories

Good brands talk in terms of numbers, not excitement. Look for:

  • Clear cost structures
  • Realistic sales ranges
  • Healthy margins at maturity
  • Evidence that multiple operators achieve similar results

Takeaway

Unit economics give you a grounded way to evaluate any concept. If the numbers do not work on paper, they will rarely work in practice.