Avoiding Commercial Project Underbids

Had a similar thing happen when I replaced my garage roof - one minute it’s “just needs new shingles,” next thing you know, they’re talking about replacing half the decking and “potential” ventilation issues. I started wondering if I was getting upsold or if my house was actually falling apart. Ended up calling in a buddy who’s a contractor for a second look, but I always feel a bit awkward doing that, like I’m accusing someone of pulling a fast one. Has anyone ever had a contractor get weird about you bringing in someone else? Or is that just me overthinking it...

- Seen this a lot, especially with roofs and HVAC - contractors spot “hidden” issues once they’re up there.
- Bringing in a second opinion is pretty standard. Some contractors get defensive, but the legit ones usually don’t mind. If they do, that’s a red flag for me.
- I always ask for photos of any damage they claim to find. Helps keep everyone honest.
- Upselling happens, but sometimes the extra work really is needed. Hard to tell without another set of eyes.
- Don’t feel awkward about double-checking - protecting your investment isn’t personal, it’s just smart.

I get the logic behind always asking for photos, but honestly, that can be a double-edged sword.

I always ask for photos of any damage they claim to find. Helps keep everyone honest.

Totally agree - photos help, but they’re not the whole story. I’ve had roofs look fine in pics, then you peel back a layer and find soaked insulation or rotten decking. Sometimes you just have to get up there and see it in person. Trust goes a long way, especially on big projects.

Can’t count how many times I’ve seen bids come in low, only to balloon once they “find” hidden damage. Photos are nice, but I always insist on a thorough site walk - preferably with the contractor. It’s worth the hassle to avoid nasty surprises later.

Photos are nice, but I always insist on a thorough site walk - preferably with the contractor.

- Walkthroughs definitely helped me catch stuff that wasn’t obvious in pics (like water stains behind drywall).
- Curious if anyone’s had luck getting contractors to put more detail in their initial bids? I keep asking for line items, but sometimes still get vague “misc repairs” sections.
- Is it normal for bids to have a 10–15% contingency built in, or am I being too cautious? Just trying to avoid those “oh, by the way…” moments.

I’ve run into that “misc repairs” thing too - sometimes feels like code for “we’ll see what we find later.” When I pushed for more detail, one contractor actually broke out every item, but the price jumped, which made me wonder if I was just paying for transparency. On contingencies, I usually add 10% myself, but do most folks get pushback from contractors if you ask them to show that line? Or is it more common to just keep it on your own spreadsheet?

sometimes feels like code for “we’ll see what we find later.”

That’s exactly the vibe I get from “misc repairs.” It’s like the contractor version of “miscellaneous fees” on a hotel bill - just vague enough to make you wonder if you’re paying for a new faucet or someone’s lunch. I tried pushing for a breakdown once and, same as you, the price magically ballooned. Almost felt like I was being charged extra for making them do math.

About contingencies, I always tack on 10% in my own spreadsheet too. When I asked one guy to show it as a separate line, he looked at me like I’d just asked him to recite Shakespeare. Not sure if it’s standard practice to keep it hidden, but I prefer seeing it out in the open - even if it makes things awkward. At least then I know what’s padding and what’s real.

Honestly, sometimes I think they’d rather keep it vague so they have wiggle room when something goes sideways. Maybe it’s just a trust thing, but after my first reno, I’m all about transparency... even if it costs me a few extra bucks (and some side-eye from the contractor).

Almost felt like I was being charged extra for making them do math.

That line cracked me up. I had a similar experience - asked for a detailed breakdown and suddenly the “misc” line item turned into three new ones, all equally mysterious. I get that surprises happen, but I’d rather see the contingency out in the open too. Makes budgeting less of a guessing game, even if it means a few awkward conversations. Transparency shouldn’t be a rare commodity in construction, right?

Transparency shouldn’t be a rare commodity in construction, right?

I hear you on that. Last year, I was helping out on a school reroof and the GC handed us this estimate with “miscellaneous” eating up like 8% of the total. When we asked what that actually covered, suddenly it split into “site prep,” “unexpected fasteners,” and “weather delays,” but none of those had any real explanation either. It almost felt like they just shuffled things around to make it look more detailed, but it was still just as vague.

What gets me is how some folks act like asking for a breakdown is somehow unreasonable. Isn’t it normal to want to know where your money’s going? I get that stuff pops up - especially with old buildings where you never know what’s under the first layer - but why not just spell out the contingency from the start? Like, if there’s a 10% fudge factor for surprises, just say so instead of hiding it behind weird line items.

I’ve noticed smaller outfits are usually more upfront about this stuff. Maybe because they can’t afford to have clients get spooked and walk away? The bigger companies seem to rely on people not reading past the total. Or maybe they’re just used to nobody pushing back.

One thing I’m still figuring out: how do you balance being thorough with not making the bid look padded? If you list every possible scenario, people think you’re overcharging. But if you keep it too simple, you end up eating costs when something goes sideways. Has anyone found a good way to handle that without looking sketchy or losing jobs?

Anyway, I’d rather have an awkward chat up front than deal with angry calls halfway through a project. Surprises are bad enough without feeling like someone’s hiding the ball.

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Isn’t it normal to want to know where your money’s going?

I get wanting a detailed breakdown - I’m usually the one with a spreadsheet open, too. But sometimes those “miscellaneous” or “contingency” lines actually make sense, especially with older houses or weird layouts. I’ve done a few renos where we opened up a wall and found stuff like old knob-and-tube wiring or pipes that weren’t on any plan. Suddenly you’re spending extra on electrical or new fasteners that weren’t part of the original bid.

Honestly, if the contractor’s up front about having a contingency line, I’m fine with it, even if it feels vague at first. It’s when they try to hide costs or get cagey about what’s included that I start asking more questions. But some flexibility in the budget can save everyone a headache when surprises pop up - because they almost always do.

I’d rather see an honest “we don’t know what’s behind that wall, so here’s a buffer” than have them underbid just to win the job and then hit me with add-ons later. That said, I still want receipts for every “unexpected fastener”... old habits die hard.

I hear you on the contingency line, but sometimes I wonder if it gives contractors a little too much wiggle room. After a hailstorm last year, my “buffer” turned into a black hole - half the stuff they found felt like it belonged in a museum, not my attic. I get surprises happen, but I’d rather see more up-front investigation before we start swinging hammers. Otherwise, that “miscellaneous” line just keeps growing...

That “miscellaneous” line item is the stuff of nightmares. I swear, after my last project, I half expected to find a pirate map or something up there. You’re right though - sometimes it feels like the contingency is just a blank check for mystery problems. I’ve seen some folks push for more thorough pre-demo inspections, even using thermal cameras or drones. Doesn’t catch everything, but it does help cut down on those “surprise” museum artifacts. Still, I’d rather deal with a little wiggle room than a total budget blowout halfway through.

That “miscellaneous” line is always the wild card. I’ve opened up drop ceilings and found everything from abandoned conduit to a whole stash of 1970s soda cans - no pirate maps yet, but I keep hoping. I’m with you on the extra inspections, though. Thermal cameras have saved my bacon a couple times, especially with hidden leaks. Still, there’s only so much you can see before you start tearing things apart. Contingency feels like a necessary evil... not perfect, but I’d rather have it than try to explain a blown budget because someone drywalled over an old safe.

That “miscellaneous” line is basically the universe’s way of keeping us humble. Last time I redid my basement, I found a weird little metal box tucked behind some insulation - turned out to be full of old baseball cards and a petrified sandwich. Not exactly treasure, but it made for a good story at least. I hear you on the thermal cameras, though. I borrowed one from a buddy and discovered a leaky pipe that had been quietly soaking my subfloor for who knows how long. Saved me a fortune in repairs, but only because I got lucky.

I do get a little twitchy about contingency budgets. Half the time, I feel like I’m just tossing money into a black hole labeled “just in case.” But then something always pops up - like the time I budgeted for paint and trim, and ended up needing mold remediation instead. At this point, if I don’t over-plan, I know I’m just asking for trouble. Maybe not perfect, but it beats explaining to my better half why there’s suddenly a hole in the budget... or the wall.

At this point, if I don’t over-plan, I know I’m just asking for trouble. Maybe not perfect, but it beats explaining to my better half why there’s suddenly a hole in the budget... or the wall.

That hits home. Every time I think I’ve got all the bases covered, something weird pops up - like the time I budgeted for new flooring and ended up needing to replace half the joists because of ancient termite damage. The “miscellaneous” line always feels like a shot in the dark, but skipping it is just tempting fate. Still, sometimes I wonder if contractors pad those lines just because they know we’ll never question them... or maybe that’s just my paranoia talking.

Yeah, I hear you on the “miscellaneous” line feeling like a magic eight ball. In my experience, there’s always at least one curveball - water damage hiding behind drywall, or a roof leak that wasn’t obvious until demo day. I do think some contractors pad those lines, but honestly, half the time it’s because they’ve seen too many projects go sideways from stuff you can’t predict. Doesn’t make it any less frustrating when you’re the one footing the bill, though...

Doesn’t make it any less frustrating when you’re the one footing the bill, though...

Yeah, that’s exactly it. I’ve had projects where the “miscellaneous” line ended up covering stuff like old knob-and-tube wiring - stuff I never would’ve known about until the walls were open. It’s hard not to feel a little suspicious, but some of those surprises are legit. Still wish there was a better way to plan for it without feeling like you’re just guessing half the time.

I get where you’re coming from, but I actually think some of those “unknowns” are just part of the deal, especially in older buildings. I used to get annoyed at the catch-all lines too, but after a couple of jobs where skipping that buffer meant way bigger headaches (and costs) later, I started budgeting a little extra up front. It’s not perfect, but it’s saved me from bigger surprises down the line. Still wish there was a more transparent way to handle it, though... guessing games aren’t fun for anyone.