The Fatal Assumption that's closing collision shops
I have a version of this conversation with shop owners almost every week right now. Volume is down, overhead feels heavy, and somewhere in the conversation they ask whether the answer is to get back on the tools themselves. It's a fair question, and there's a trap sitting inside it.
Gerber named this decades ago
Michael Gerber named the trap in The E-Myth, a book that's been required reading for small business owners ever since. He called it the Fatal Assumption: the belief that if you're good at the technical work of a business, you must be good at running a business that does that work. Those are two different skills, and Gerber argued that confusing them is the root cause of most small-business failure.
He went one layer deeper. He said every owner is really three people fighting for the wheel. The visionary, who sees where the business is going. The manager, who builds order and systems. And the doer, the one who's great at the actual work. (Gerber's word for the doer was the Technician.) In most small businesses, the doer wins, and the owner spends his days buried in the work instead of building the business that does the work.
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The down-market version of the trap
The advice to get back on the tools is the doer winning again, dressed up as survival. The logic sounds reasonable. If volume drops, the owner who can do the production work can carry the shop himself, so the craft is what protects you.
The pressure underneath it is real, and I want to say that plainly. A lot of shops built their overhead in the boom years, and the volume that paid for it isn't coming back. Right-sizing the shop to today's volume is the whole job right now, and the owners who won't face that math are the ones in trouble.
The skill that actually gets you through
But the skill that gets a shop through a contraction is the one Gerber was pointing at. The judgment to read the real numbers and change the structure before it sinks you. That's the visionary and the manager doing their jobs, not the doer picking up one more task.
How to tell if you're carrying boom-era overhead
Most owners feel the squeeze before they can name it. Here's how to see it plainly.
Put today's monthly revenue next to your 2021-to-2023 peak. If you're down fifteen or twenty percent and your fixed costs aren't, that gap is the problem, and it won't close on its own.
Look at fixed cost as a share of revenue, then versus now. Rent, salaried pay, equipment, software, management. If that percentage crept up while volume slid, you're running a boom-sized structure on a smaller business.
Then go line by line and ask Gerber's question about every role and every cost. Is this a revenue generator, or is it overhead? In a busy year you can't tell, because everything is moving. In a slow one the answer is obvious, if you're willing to look.
That's the work. It isn't glamorous, and it isn't a spray gun.
What it looks like when it works
Here's what I can tell you, because I'm in the middle of it right now. This is solvable, and I'm watching owners solve it. I sit down with an owner and their actual numbers, help them size the shop to the volume it actually runs, and it steadies.
One owner I'm working with is carrying a compensation model that was set back in the boom. Today's volume doesn't support that model. Fixing it is a business decision, made from the numbers, and whether the owner could do the production work himself doesn't enter into it. The shop will be healthier for the call.
What the fear misses
Being able to do every job in the building doesn't make that call for you, and dodging the call is what actually closes shops. Plenty of owners who never turned a wrench can read their numbers and make the hard decision. The ones who come through a down market are the ones who do.
And some of the best operators I know came up through the craft and then learned the numbers too. That's the whole point. The second skill is one you build. It never came free with the first.
Knowing the craft is valuable. It was never the same thing as knowing the business. That's the work Gerber told us to do all along: work on the business, not just in it. A down market just raises the stakes on it.
Know your numbers, build what's next.

Doug Higgins
Founder, Collision Advisory
Former CFO at Kroger's Midwest Division and CEO of TAG Auto Group. Doug brings institutional financial rigor to the collision repair industry.
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