Buying/July 23, 2026/8 min read

Buy Smart: How to Actually Comp a House and Spot a Bad Renovation

Price per square foot is a starting point, not a strategy. Here's how to compare homes the right way — and avoid paying for someone else's cheap flip.

Buy Smart: How to Actually Comp a House and Spot a Bad Renovation

The most expensive mistake a buyer can make is falling in love with a house before they understand what it's actually worth. Not what the listing says it's worth. Not what the Zestimate says. What the market says — based on real sales of real homes that compare to the one in front of you.

Stop leading with price per square foot. Price per square foot is useful only when everything else is equal. A 2,500-square-foot home on a half-acre lot with a finished basement and a three-car garage is not the same as a 2,500-square-foot home on a small lot with no garage and a 1998 HVAC. Yet buyers quote the price per square foot like it's gospel. Use it as a quick sanity check, then throw it out and compare the actual features.

The right way to comp a house. Start with sold homes within the last 90 days, ideally within the same subdivision or within a half-mile. Match the things that don't change: lot size, school zone, garage count, bedroom and bathroom count, basement finish, and age. Then adjust for the things that do: kitchen quality, flooring, roof age, HVAC age, and curb appeal. A comp is only good if you'd honestly trade the subject house for it at the adjusted price.

Use closing cost credits strategically. In a softer market, buyers can often negotiate seller credits toward closing costs, rate buydowns, or repairs. A $10,000 credit at closing is worth more than a $10,000 price reduction if it preserves your cash. But don't let a credit distract you from a bad price — a credit on an overpriced house is still an overpriced house.

Beware of lipstick on a pig. A fresh coat of gray paint, new cabinet hardware, and a trendy light fixture can make a 2004 house look brand new in photos. In person, the story changes. Look past the staging. Check the roof. Check the HVAC age. Open the electrical panel. Run the water in every sink. Flush every toilet. A seller who spent $3,000 on cosmetic updates but ignored a 22-year-old roof is asking you to pay for their paint job and their future roof.

How to spot a poor renovation. Tile that doesn't line up at the corners. Gaps between the countertop and the wall. Doors that don't close cleanly. Light switches placed in awkward spots. New flooring butted up against old baseboards. These are the tells of a handyman special, not a professional renovation. The worst flips are the ones that look good from five feet away and fall apart in year two.

Newer vs. older: the real trade-off. Newer homes have modern layouts, better insulation, and warranties. Older homes have better lots, mature trees, and real character. The question isn't which is better — it's which problems you want. A new home might have builder-grade materials and settling issues. An older home might need the roof, the windows, and the electrical updated. Neither is free.

Hardwoods vs. laminate vs. high-end laminate. Real hardwood is repairable, ages beautifully, and adds value — but it scratches and dents. Cheap laminate swells when it gets wet and can't be sanded. High-end luxury vinyl plank or high-quality laminate can look great, hold up better to kids and dogs, and cost less. Don't assume hardwood is always the premium choice. In a busy household, a quality LVP is often the smarter floor.

The kitchen and baths tell the truth. Cabinets that are painted instead of replaced. Granite with a dated ogee edge. A farmhouse sink installed in original 1990s cabinetry. These are the places where sellers cut corners because they photograph well. Open the drawers. Look underneath. A real renovation is consistent from the front to the back.

Ask the questions nobody asks. How old is the sewer line? Has the basement ever taken water? Why did the seller replace the HVAC — was it age, or a flood? When was the last septic pump? The answers to boring questions save you from excitingly expensive surprises.

Buying smart isn't about finding the cheapest house. It's about paying the right price for the right condition. Do the work before you write the offer, and you'll never have to explain to your spouse why the 'beautiful' kitchen has a leak under the sink.

Written by
Mike Cimorelli

Realtor · Middle Tennessee

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FAQ

Questions readers ask about this.

How do I know if a house is priced too high?+

Compare it to three to five recent sales of similar homes in the same area. Adjust for lot size, condition, updates, garage, and basement. If the subject house is priced above the adjusted range and doesn't offer a clear premium feature, it's likely overpriced.

What is 'lipstick on a pig' in real estate?+

It's a property with cosmetic updates that hide deferred maintenance or low-quality work. Fresh paint, trendy fixtures, and staged rooms can distract buyers from old roofs, bad plumbing, or a poorly done renovation. Always look past the surface.

Are closing cost credits better than a price reduction?+

Often yes — if you need cash at closing. A $10,000 seller credit reduces your out-of-pocket costs without changing the loan amount much. But a price reduction lowers your mortgage payment and property tax basis. The right choice depends on your cash position and the home's price relative to value.

Should I buy a renovated older home or new construction?+

It depends on what you value. New construction offers warranties, modern layouts, and predictable maintenance for the first few years. Older homes often sit on better lots in established neighborhoods with more character. Get a thorough inspection on any older home and verify the quality of any renovations before you buy.

How can I tell if a renovation was done well?+

Look at the details: straight grout lines, consistent trim work, doors that close properly, switches in logical places, and flooring that meets walls cleanly. Ask for permits and receipts on major work. A quality renovation is consistent throughout the house, not just photogenic in the listing.

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