Before You Buy a Franchise, Crunch These Numbers

Franchising is booming.  

The International Franchise Association estimates that the industry will hit nearly $1 trillion in total output this year. And you aren’t imagining that there seems to be a Jersey Mike’s, an Ace Hardware, or a McDonald’s on every corner.  

The pitch is a good one. Franchises are ready-made, proven brands with the potential to make millions. Franchises may have a sightly higher success rate (5 to 6 percent over two years) than a typical small business, and there are a lot of happy owners who would tell you to go for it. On the surface, franchising is a shortcut to entrepreneurship. 

Understand the challenges 

However, not all buyers are prepared for how unforgiving the franchise model can be. Far from set-it-and-forget-it, owners face a long list of responsibilities. For example, Burger King tells franchisees to expect tasks as diverse as working with suppliers, human resources, marketing, accounting and operations to take up the bulk of the day. RockBox Fitness warns that owners can expect long hours, unpredictable profits, and potential debt at first. Market forces like inflation and labor shortages can impact franchises more than independent businesses, since franchise fees don’t go away when the economy gets tough. In extreme cases, franchisees may find themselves the victim of unscrupulous business models or even fraud, like the New York Bagel Enterprises scam in 2022.  

I’m not saying franchising can’t be a smart investment, but as the CEO of BookSmarts Accounting & Bookkeeping, I’ve seen the inside of enough franchise profit and loss (P&L) statements to know that there is more to owning and operating a franchise than writing a check. There’s a lot of complex math that goes into how successful (or not) your business will be.  

Here’s the franchise math I use with clients to help them decide if the benefits outweigh the risks (and that helps them run a smooth operation once they take the plunge). 

Sticker price + hidden costs = The real buy-in 

All franchisors are required to provide prospective buyers with a Franchise Disclosure Document (FDD), which has 23 line items outlining required fees, litigation, and bankruptcy history, contract information, and more. It gives you some good numbers to work off, but it’s a beginning, not a safety net.  

You need to consider every cost that will go into starting your business. Build-outs or tenant improvements vary wildly by concept and location. Total startup investments routinely climb into the millions. Contractors, change orders, code or landlord surprises can mean a higher-than-expected spend on fixtures and consumables. And that can quickly turn a neat brochure number into a cash crisis. 

The fix? Build a SKU-level spreadsheet listing every piece of equipment, every supplier-required item, every buildout cost, and the expected timing of payments. Then add a 20 percent to 30 percent contingency. If the venture doesn’t work on paper with that cushion, walk away. 

Promised profits ≠ Reality 

Franchisors often provide sample P&Ls in the FDD, but those numbers rarely tell the full story. Top-performing locations skew averages, so a single high-revenue unit can make a struggling franchise look like a sure thing.  

Don’t rely on these examples; go straight to the source. Ask for P&Ls from at least five franchisees in diverse markets, and reconcile them to invoices and receipts wherever possible. Interview a mix of top, median, and struggling owners to understand the range of outcomes and the reasons behind them. Then plot those ranges in your budget projections to see if the math works out even at a struggling rate.  

True daily burn = Labor + consumables 

Two of the biggest business costs are labor and supplies. Almost every first-time owner underestimates them. The only way to know the real numbers is to watch a store in action. Sit in for full shifts. Track staff hours and what they’re paid, and note everything that gets used, from tech tools to lightbulbs. This is your burn rate. The FDD includes broad estimates of these costs, not specific numbers. A gap of even a few percentage points, repeated week after week, can be enough to erase your profits. 

I once worked with a franchise owner who skipped this step. Imagine the shock of discovering extra equipment and supply costs after buy-in that weren’t included in the FDD. It hurt that owner’s bottom line, and it will hurt yours. Run the numbers over several days at more than one location to see what the burn rate really is. If your budget doesn’t hold up with those totals, don’t count on it working once you open. 

Initial ROI – margin shifts = True projected ROI 

Franchises aren’t static. Menus get updated, technology fees are added, and operational requirements can shift. Each change chips away at the return you modeled when you first crunched the numbers. A 5 percent drop in gross margin can shave a full percentage point off your projected ROI, translating into a loss of thousands of dollars.  

Account for these types of changes before you commit. Ask multiple, current franchisees how often tweaks happen, and how those adjustments have affected their margins. Then plug those numbers into your financial model. By stress-testing your ROI for potential shifts, you’ll have a more realistic sense of the franchise’s viability over time. 

The bottom line 

Buying a franchise can be a great move, but it isn’t a quick win or a passive income stream. Before you write a check, dig into the numbers, talk to real owners, and pressure test your budget and assumptions. Owners who rush in on promises are the ones most likely to stumble. 

Consult an accountant even before you buy in, and meticulously track your books from the first day of build out. Professional help doesn’t have to break the bank. Go for fractional bookkeeping support over hiring full-time staff in the beginning. Skipping it might feel like saving money, but it will cost you in the long run. 

The franchise boom? It’s not going anywhere. Making it work for you? That’s not about ambition, it’s about arithmetic.  

The final deadline for the 2026 Inc. Regionals Awards is Friday, December 12, at 11:59 p.m. PT. Apply now.

Jenny Groberg

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