Restaurant · Guide Updated September 2026

The Hidden Fixed Costs That Blindside New Restaurant Owners (Hood Cleaning, Insurance, and More)

The lease looks simple. The details aren’t.

I’ve said this on camera before: fifty percent of the battle in a restaurant is choosing the right location. The other fifty percent is hidden in the details. Most people spend all their energy on the first fifty and none on the second, and that’s exactly where hood cleaning and insurance live. They’re not in the headline rent number. They’re buried in the clauses nobody reads twice.

Here’s what actually happens. You sign a lease excited about foot traffic and square footage. Six months in, your insurance broker calls with a premium that jumped, or your landlord tells you hood cleaning is mandatory quarterly and you’re on the hook for the vendor they picked, not the one you’d have chosen. You feel ripped off. You’re not being ripped off. You just never asked the question early enough.

These aren’t extras. They’re part of your 25%.

I talk a lot about the three numbers every operator needs to know cold: AOV, prime cost, and burn rate. Prime cost is a simple rule of thumb, 25% to your ingredients, 25% to labor, 25% to rent and overhead. Hood cleaning, insurance, pest control, grease trap service, fire suppression inspections, all of that sits inside that third 25%. It is not a surprise category. It is a planned category that most new owners forget to plan for.

Restaurant margins run 3 to 5%. That’s the whole game. There is no room to be blindsided by a $400 or $800 monthly cost you didn’t build into your model. If you don’t know your overhead number cold before you open, you’re flying blind, and mandatory vendor costs are one of the fastest ways that blindness turns into a negative bank balance while your sales numbers still look fine on paper.

Fixed costs don’t care how slow your Tuesday is

When I coach operators through a cash crunch, one of the first things I have them do is separate fixed costs from variable costs. Rent is fixed. Insurance is fixed. Hood cleaning, if it’s mandated on a schedule, is fixed. Your food cost moves with sales. Your labor moves, some, with sales. Insurance and hood cleaning do not move at all. They show up whether you did $10,000 or $1,000 that week.

That’s why they feel so brutal to new owners. A slow month makes variable costs shrink a little. Fixed costs sit there, unchanged, eating into a smaller pile of revenue. If you haven’t mapped out which of your monthly bills are fixed and which are variable, you don’t actually know your burn rate, and burn rate is one of the three numbers you cannot operate without.

Read the lease for this before you sign, not after

Most commercial leases will name a required hood cleaning frequency and sometimes a required or preferred vendor. Some landlords tie your insurance minimums directly into the lease terms, meaning you don’t get to shop for the cheapest policy that meets code, you have to meet whatever the lease specifies. This is exactly the kind of detail that’s easy to skim past when you’re excited about the space and hard to renegotiate once you’ve already signed.

Before you sign, ask directly: is hood cleaning mandated, how often, is the vendor specified or open, and what insurance minimums does the lease require. Get those answers in writing. If a landlord won’t give you a straight answer, that’s information too. The lease is where the second fifty percent of the battle actually gets fought, and it’s fought with questions, not hope.

Insurance premiums rise for reasons you can actually track

Your premium isn’t random. It moves with your location, the age and condition of the building, your coverage type, and your claims history, yours and sometimes the building’s. A kitchen with a fryer and an open flame is priced differently than a bakery with an oven and a mixer. None of this is fixed once you sign, but almost none of it is negotiable after a claim has already happened. The move is to shop coverage before you open, not after year one when the first renewal notice lands and the number has already moved on you.

Treat this like every other cost problem: track it, benchmark it, cut what you can

I’ve walked operators through eight ways to cut costs when things get tight, and the method is always the same. Track every expense, benchmark it against what it should cost, and categorize it so you can see where the fat actually is. Hood cleaning and insurance are no different. Get two or three quotes before you accept the first vendor a landlord hands you. Ask your insurance broker to re-shop your policy every renewal, not just the first year. Bundle where you can. The bill isn’t fixed just because it’s called a fixed cost. Only the requirement to pay it is fixed. What you pay is still something you can fight for.

The owners who get blindsided aren’t unlucky. They just never asked the question at the table where it mattered, which was before they signed anything.

Keep going: restaurant guides