Quick Answer

Contractors avoid giving firm prices because hidden conditions (old wiring, plumbing issues) can change costs by 20–40%. To get real numbers: provide a detailed scope of work, get 3+ itemized bids (not lump sums), compare line-by-line, and budget 15–25% contingency. A 30–50% spread between bids is normal. From Archie.

I called five general contractors. I described my project. I asked a simple question: how much will this cost?

Not one of them gave me a number.

"It depends." "Hard to say without seeing it." "Every project is different." "We'd need to do a full assessment." One guy actually laughed.

I was a first-time renovator. I had floor plans. I had a budget range in my head. I just wanted someone to tell me what the thing would cost. And nobody would. I thought something was wrong with my project, or with me, or with the way I was asking.

Turns out, nothing was wrong with any of that. The reason contractors won't give you a price has nothing to do with your project being "complicated." It has everything to do with how their business works. And once I understood why, I stopped getting taken advantage of.

If you've ever wondered why contractors won't give you a price, this is the answer nobody in the industry wants you to read.

The Real Reason: Ambiguity Is Where the Profit Lives

Here's what I learned after going through my own build: labor and material costs are projectable. A framing crew in your area costs what it costs. Lumber has a market price. Drywall, plumbing fixtures, electrical wire. All of these have known, researchable costs. A contractor can estimate these within 5-10% accuracy on day one.

So why don't they?

Because the unknown is where the money is. Every item that isn't nailed down in the bid becomes a field decision. Every field decision becomes a change order. And every change order is priced at a premium. You're mid-project, you're committed, you need it done now.

This isn't a conspiracy. It's a business model.

Contractors who quote tight, detailed numbers risk losing money if something goes wrong. Contractors who leave room for ambiguity protect their margin. The more undefined your project is at bid time, the more profitable it is for them during construction.

An experienced GC knows this. A first-time homeowner doesn't.

Your Floor Plan Is Worth Nothing Without Details

I showed up to my first contractor meeting with a floor plan. Just a floor plan. No finish schedule (a list of what goes on every surface in every room). No fixture selections. No door or window specs. No electrical layout. No notes about what stays and what goes.

I thought the floor plan was enough. It wasn't even close.

A floor plan with nothing on it is an invitation for field changes. Your contractor can't price what you haven't decided, so they either leave it out (you'll pay later) or use the cheapest assumption (you'll "upgrade" later). Both paths cost you more than if you'd specified everything upfront.

Here's what field changes actually cost:

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Multiply those by the 20–30 field changes that happen on a typical under-documented project and you're looking at $5,000–$15,000 in costs that didn't need to exist. All because the bid documents weren't detailed enough to price the work accurately upfront.

The fix is boring but it works: specify everything before you bid. Fixtures, finishes, switch locations, door swings. All of it. The more detail in your bid documents, the less room for "interpretation" during construction.

You're Paying for Their Sales Team

When I started getting bids, I noticed something. The companies with the nicest websites, the smoothest sales presentations, and the glossy proposal packages were also the most expensive. By a lot.

That's not a coincidence. You're paying for their sales team. The guy in the polo shirt who came to your house with an iPad and a rehearsed pitch. The showroom. The marketing. The fleet of wrapped trucks. The commission he earns when you sign.

Large remodeling companies typically carry 35–50% overhead and profit margins (NAHB cost survey data). That means on a $100,000 project, $35,000–$50,000 goes to the company before a single nail is driven.

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A smaller contractor with lower overhead doing the same scope might come in at $65,000–$75,000. Same work, same materials, sometimes even the same subcontractors. The difference is you're not funding a sales department.

This doesn't mean small is always better. It means you need to understand what you're paying for. Knowing how to find a good contractor matters more than finding the cheapest one. When a company's proposal looks expensive, ask yourself: am I paying for the work, or am I paying for the experience of being sold to?

Renovation Hidden Costs Nobody Puts in the Bid

Even when you get a "complete" bid, there are costs that almost never show up on the first page. These aren't scams. They're industry standard omissions that every contractor knows about and every first-timer discovers too late.

Before construction starts:

During construction:

After construction:

Add those up. That's $5,700–$22,300 in hidden costs of renovation that weren't on the "total" your contractor quoted. On a $100,000 project, that's a 6–22% surprise.

This is exactly what Archie checks when you forward a contractor's bid. He flags missing line items that should be there. Two minutes, and you know what they left off before you sign anything.

Now go back and read "it depends" one more time. It depends because they know these costs exist and they'd rather you discover them after you've signed. The game is to look competitive on paper. The real price reveals itself during construction.

How to Actually Get a Real Number

So what do you do? You stop asking for a price. You start making it impossible for them to hide one.

1. Detail Your Bid Documents to Death

My second time around, I didn't show up with just a floor plan. I showed up with everything. Before you send anything to a contractor, your plans should include:

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The more you define, the less they can "interpret." A contractor who receives detailed bid documents will give you a tighter number because there's less risk on their end. Ambiguity is risk. They price risk into your bid whether you see it or not.

2. Get the Big-Company Bid First

Go get a bid from the company with the showroom and the sales team. You're not going to hire them. You're going to use their detailed, line-item proposal as your benchmark. Then take that scope of work to two or three smaller contractors and ask them to price the same thing. Now you're comparing contractor bids with real numbers, not fantasies.

3. Demand a Line-Item Breakdown

"$85,000 for a kitchen renovation" is not a bid. It's a guess with a signature line. A real bid breaks down every cost: demolition, framing, electrical, plumbing, HVAC, drywall, paint, cabinets, countertops, tile, fixtures, appliances, permits, cleanup. If a contractor won't itemize, they're protecting their margin, not simplifying your life.

4. Ask What's NOT Included

This is the question that separates informed homeowners from easy targets. "What is explicitly excluded from this scope?" Force them to list what you'll pay for separately. Get it in writing. If they can't tell you what's out, they don't know what's in.

What I Know Now That I Didn't Know Then

I went into my first project thinking the contractor would guide me. That they'd tell me what things cost because that's their job. I thought asking for a price was a simple question with a simple answer.

It's not simple. And it's not supposed to be. The complexity serves the business model. The ambiguity protects the profit margin.

And I'll be honest: it was embarrassing. Sitting across from a contractor who clearly knew more than me, nodding along to things I didn't understand, afraid to ask "basic" questions because I didn't want to look stupid. That feeling of being out of your depth? That's what they're counting on.

Now I know that every dollar I didn't define in advance was a dollar someone else defined for me, at their price.

You don't have to go through what I went through. CC Archie on your contractor's email and he breaks down every line item against real market rates for your zip code. He flags what's missing, catches the items they left off the bid, and tracks your budget through construction so field changes don't become financial surprises.

One field change costs more than a full year of having someone check every line item for you.

See what your contractor left off the bid.

Forward your contractor's bid to Archie and he flags every missing line item against real market rates for your zip code. Free, 2 minutes, no credit card.

Try Archie free or check renovation costs for your zip code

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