A buyer calls on a Tuesday in July. "We're ready to move on that proposal you sent back in May," they say, like they're doing you a favor. You dig up the quote, and there it is, a clean number you were proud of two months ago.
Trouble is, that number was built on May's prices. The copper, the sheet metal, the rooftop unit, the freight to haul it all across town, every line of it was priced when you wrote the thing. Since then the market moved, and it rarely moves in your direction.
So now you've got a choice nobody enjoys. Honor the stale number and eat the difference, or call the customer back and explain why the price went up on a quote you signed your name to. Neither one feels good, and both of them cost you something.
Why an old quote quietly bleeds you
Material prices don't send you a memo when they climb. Copper drifts a little week to week. A rooftop unit picks up a manufacturer increase you didn't hear about until you tried to order one. Steel and freight do their own thing. None of it is dramatic on any single day, which is exactly why it slips past you.
Figure a proposal that sat open for eight or ten weeks. On a big mechanical job, a few percent on materials can be the whole margin you penciled in. You didn't do anything wrong when you wrote it. The number just aged out from under you while it sat in the customer's inbox.
And the quotes most likely to come back stale are your biggest ones. Small repairs get accepted fast or not at all. The large proposals, the ones where the margin actually matters, are the ones buyers sit on while they get budget approved or compare bids. The longer they sit, the more the ground shifts.
What the automation actually does
This is a simple piece of plumbing, not a crystal ball. You set an age limit, say 21 or 30 days. Any quote that's still unaccepted past that age gets flagged, and whoever owns pricing gets a short nudge: "Quote #1042 for Northside Industrial is 24 days old and still open. Re-verify material cost before it's accepted."
That's the whole trick. It watches the clock on every open proposal so you don't have to remember which ones are getting long in the tooth. It can pull from your quoting tool or a shared sheet, whatever you already use, and it only speaks up when a quote crosses the line you set.
Here's what a workable setup checks for:
- Age past your threshold. Sent date versus today, measured against the 21 or 30 day line you drew.
- Still unaccepted. Accepted and lost quotes drop off the list, so you're only looking at live ones.
- Dollar size. A $900 quote and a $90,000 quote don't need the same scrutiny, so the big ones can get a louder nudge.
- Whether a validity window was ever stated. If the quote didn't carry one, that gets flagged too.
The nudge lands wherever you already look, email or a text to the owner's phone. Nobody has to log into another dashboard to make it work.
Put a validity window in writing, every time
The flag catches old quotes after the fact. A price-validity window stops the argument before it starts. It's one line on the proposal: "Pricing valid for 30 days from the date above. Material costs re-verified after that."
That line does two things. It gives you the right to re-price without looking like you're pulling a fast one, because the customer agreed to it when they read the quote. And it hands your buyer a gentle reason to move, since the clock is now visible to both of you.
Keep the window honest and short enough to mean something. Thirty days is reasonable on most work. On jobs with a lot of copper or a big equipment line, you might go shorter, because that's where the drift hurts most. The automation can even check that the line is present and remind you when it's missing.
What AI won't do here, so you know
It won't predict commodity prices. Nothing on the market can tell you where copper lands next month, and anybody selling you that is selling you a story. This tool doesn't forecast a thing.
What it does is narrower and more useful: it makes sure no stale quote gets built at last season's cost without a human looking at the materials first. The re-check is still yours. You call your supplier, you confirm the unit price, you decide whether to hold the number or revise it. The software just guarantees the question gets asked instead of slipping through.
Honesty about that line matters. A tool that promised to price your jobs for you would be lying. A tool that refuses to let an old number go out the door unchecked is just a good habit someone finally wrote down.
Worth doing this week
You don't need a big system to start. You need a clock on your open quotes and a habit of re-checking before you commit.
- Pull your open proposals right now and sort by date sent. Anything past 30 days, re-verify material cost before you honor it. You may find one or two already underwater.
- Add a one-line validity window to your quote template today: "Pricing valid for 30 days, material costs re-verified after." Use it on everything going forward.
- Pick your threshold, 21 or 30 days, and decide who gets the nudge. Usually that's whoever can actually re-price the job.
- Set up a simple flag, even a calendar reminder or a sheet formula, that surfaces open quotes past that age. Automate it properly once you've felt the habit work.
If you want the flag running off your real quoting tool so it nudges the right person on its own, that's the kind of small, boring automation we set up for Houston shops. Give us a call at 617-398-0033 and we'll map it to what you already use.