top of page

He Tinted Windows and Couldn't See His Numbers

  • Sam Decker
  • Jul 11
  • 2 min read

Updated: Jul 12

He tinted windows for a living and still couldn't see his own numbers clearly.


A few years back I sat down with the owner of a local auto detail and tint shop, expanding into a second location. Revenue: $130k a month. Margin: 3%.


He thought he had a revenue problem. He didn't. He had a measurement problem: he was watching one number and had never built a way to see the four layers of profit sitting underneath it.


Here's the framework I gave him. Five layers, top to bottom:


1. Product profitability. Which service actually carries the margin, dollar for dollar? Some jobs make money. Others just keep the bay busy.


2. Transaction profitability. One service or three? A bigger ticket with the right mix beats a full calendar of one-off jobs.


3. Customer profitability. Product margin x transaction margin x repeat rate = lifetime value. Not every customer is worth chasing.


4. Shop profitability. A location running 60% Tesla has completely different economics than one at 20%. Same brand, different business.


5. Company profitability. The sum of it all, once shared overhead is netted out... overhead that's supposed to get cheaper per store as you scale, not more expensive.


He was only ever looking at layer 5. And the reason nothing below it was visible wasn't a dashboard problem. He was still doing the work himself, with no time left to measure, train, or hire the help that would've freed him up to see any of it.


You can't fix a margin problem by staring at the number at the bottom. The fix is almost always three or four layers up, somewhere most owners never look.


Which of your five layers are you actually managing right now, and which are you just guessing at?

 
 
 

Comments


  • LinkedIn
  • Instagram
  • Facebook
  • Youtube
  • e-mail-black-icon-on-white-background-vector-32616821_edited
bottom of page