I build software for contractors, and I’ve spent a lot of time standing in shops watching a good job come up short on margin. Not because the estimate was wrong — the estimate was usually fine. The money was walking out the door a box of screws at a time, and nobody was counting a single one of them.
If you run a contracting company, you already know the feeling. The job looked good on paper. The crew did solid work. And somehow the number at the bottom came up softer than it should have. You go back through the big line items looking for the leak, and they’re all fine. So where’d it go?
The stuff nobody bids for
Everybody watches the big numbers. The lumber package, the fixtures, the flooring — you sweat those, you shop those, you lock those in before you ever swing a hammer. Nobody loses a wink of sleep over a case of caulk.
But add it up. Blades. Drill bits. Screws, nails, anchors. Adhesive, tape, sandpaper. Another pack of blades because somebody snapped three of them on a bad cut. Gloves, sanding discs, fuel for the generator, a new tip for the caulk gun. Consumables. The little stuff you buy by the case and grab by the handful.
None of it is expensive on its own. That’s the whole trap. It’s cheap enough that nobody bothers to write it down, and there’s enough of it that it quietly adds up to real money. Your money. Gone.
Why it disappears on you
Consumables vanish because of how we buy and use them. You buy in bulk to save a few bucks, so it lands on a shelf in the shop or a bin in the trailer. Then the crew grabs what they need to get the job done — exactly like they should. But nobody ties any of it back to a job. By the time you close out, there’s no record of what that job actually ate. The consumables number in your job cost isn’t a number. It’s a shrug.
And here’s the part that used to keep me up: it’s not theft, and it’s not a lazy crew. It’s just a blind spot. The material moves faster than the paperwork, so the paperwork never happens. Can’t blame a guy for not filling out a form at 6:45 in the morning with a truck to load.
What it’s actually costing you
I’ve watched this bleed in four different places, and odds are you’ve felt all of them:
- The margin’s just not there. You can’t protect a number you never see. By the time the job’s closed, the money’s already spent.
- The supply run. Nobody knew the box was empty until it was empty, so now a guy’s burning two billable hours and a tank of gas at the supply house instead of working.
- The over-order and the walk-off. No count means you guess high “to be safe,” and the extra grows legs between jobsites.
- The next bid. This is the quiet killer. Garbage job-cost data means every future estimate is built on a bad number, so you either leave money on the table or price yourself out. You’re guessing forever.
It’s not “too small to matter”
That’s the line every shop tells itself. It’s too small to bother with. But run even a few percent of your material cost as untracked consumables across a full year of jobs, and you’re looking at real money — enough to matter to payroll, to a truck payment, to whether the year was good or just okay. The little stuff isn’t too small to track. It’s small enough that nobody does, which is exactly why it leaks.
I got tired enough of watching shops eat this that I did something about it — that’s the whole reason InTrack exists. But you don’t need my app to start. You just need to decide the little stuff is worth a number.
The good news
You don’t need a warehouse and a barcode army to fix this. The shops that stop bleeding on consumables aren’t the ones with the fanciest software. They’re the ones who finally decided the little stuff was worth seeing. Once you can see it, you can manage it. Until then, you’re just hoping.
In the next one, I’ll get specific about what’s actually worth tracking and what you can let go — because the answer is not “everything,” and trying to track everything is how these efforts die in week two.
Next in the series: What consumables are actually worth tracking.