10 Home Inspection Mistakes Buyers Make (And How to Avoid Them)
A home inspection is only as useful as how you approach it. These are the 10 most common errors buyers make — and the simple steps to avoid each one.
The 10 Mistakes
Not Attending the Inspection
The inspection report is valuable, but watching the inspector work is irreplaceable. When you're present, you can see firsthand whether a crack in the foundation is hairline or significant, whether a roof looks like it has 2 years or 10 years of life left, and what the inspector considers the most urgent issues. Buyers who skip the inspection and just read the report often misinterpret the severity of findings.
Choosing the Cheapest Inspector
The home inspection is one of the lowest-cost, highest-value investments in the entire transaction. The difference between the cheapest and most experienced inspector in your market might be $75–$150 — a rounding error on a $400,000 purchase. Cheap inspectors are often cheap because they rush through the inspection, write vague reports, or lack the experience to recognize subtle defects.
Not Asking for a Sample Report Beforehand
Inspection reports vary enormously in quality. Some are 15-page documents with clear photos, prioritized findings, and actionable recommendations. Others are checkbox forms with minimal description. You won't know which kind you're getting until after the inspection — unless you ask for a sample first.
Skipping Specialty Inspections to Save Money
A standard home inspection doesn't include radon testing, sewer scope, mold inspection, or thermal imaging. These specialty services add $150–$500 each, and buyers frequently skip them to cut costs. This is a false economy. A failed sewer line can cost $5,000–$25,000 to replace. Elevated radon is a serious health risk. Thermal imaging reveals hidden moisture that causes mold.
Treating the Inspection as Pass/Fail
No home — including brand new construction — will pass a home inspection without findings. All homes have defects, maintenance items, and systems approaching end of life. The inspection report is not a pass/fail judgment; it's a condition report. Buyers who treat a list of 30 findings as a failed inspection often panic unnecessarily or walk away from good properties.
Not Reading the Full Report
Many buyers skim for the summary and ignore the detailed findings. This is a mistake. Important context, caveats, and recommendations are often buried in the body of the report. Inspectors frequently note conditions they couldn't fully evaluate due to access limitations — these deserve follow-up, not dismissal.
Requesting Repairs on Every Minor Item
Submitting a repair request that lists 47 items — including burned-out bulbs, missing caulk, and dripping faucets — signals inexperience and irritates sellers. It often derails negotiations over the items that actually matter. Sellers become defensive when they see a laundry list, making it harder to get concessions on the real issues.
Missing the Inspection Contingency Deadline
Your purchase contract includes an inspection contingency period — typically 7–14 days. If you miss this deadline without requesting an extension, you may lose your right to negotiate based on inspection findings, or lose your earnest money if you walk away. Buyers who are slow to schedule the inspection or slow to respond to the report are the most at risk.
Using the Builder's Preferred Inspector for New Construction
New construction buyers are sometimes steered toward inspectors who have a relationship with the builder. This creates an obvious conflict of interest. New homes are not defect-free — framing issues, missed connections, and code violations are common even in brand-new construction. You need an independent inspector whose loyalty is to you.
Not Getting a Re-Inspection After Repairs
If you negotiate for repairs to be completed before closing, you need a re-inspection to verify the work was actually done — and done correctly. Many buyers skip the re-inspection to save $150–$250, only to discover at closing (or after) that repairs were done poorly or not at all. Sellers and their agents know that most buyers skip the re-inspection.
Specialty Inspections: What to Add and When
Mistake #4 — skipping specialty inspections — deserves a closer look. Here's a quick reference for which add-ons matter most based on property type and location:
| Specialty Inspection | Cost | When to Add | Potential Exposure |
|---|---|---|---|
| Radon test | $100–$200 | All properties in radon-prone states | $10,000+ mitigation system |
| Sewer scope | $150–$300 | Homes 20+ years old, trees near sewer line | $5,000–$25,000 replacement |
| Mold inspection | $300–$500 | Visible staining, musty odor, basement water history | $3,000–$30,000 remediation |
| Thermal imaging | $200–$400 | Older homes, suspected moisture issues, flips | $5,000–$50,000 hidden damage |
| WDO (termite) inspection | $75–$150 | Most markets, especially warm climates | $3,000–$30,000 structural damage |
| Chimney inspection | $100–$200 | Any property with a working fireplace | $2,000–$15,000 repair/rebuild |
Learn more: radon testing, sewer scope, mold inspection, thermal imaging.
How to Choose an Inspector You Can Trust
Avoiding mistakes #2 and #3 starts with a better inspector selection process. Here's what to look for:
Voluntary certifications that require continuing education and professional standards.
Confirm the inspector meets minimum state requirements. Check your state's licensing board.
Errors & Omissions insurance protects you if the inspector misses a significant defect.
Ask before booking. A quality report has detailed photos, clear descriptions, and actionable recommendations.
Look for reviews that describe the inspector as thorough, communicative, and willing to explain findings in plain language.
Frequently Asked Questions
Yes, absolutely. Attending the inspection is one of the most important things a buyer can do. Being present allows you to see defects firsthand, ask the inspector questions in real time, and understand the severity of issues before reading a written report. Buyers who attend their inspection come away with a far clearer picture of the property's condition.
Look for a certified inspector with active membership in InterNACHI or ASHI. Ask to see a sample report before booking — a good inspector produces detailed, photo-rich reports. Check online reviews, ask your real estate agent for recommendations, and verify the inspector carries E&O insurance. Don't choose solely on price.
Good questions to ask your inspector include: What are the most significant issues you found? What would you repair immediately vs. monitor over time? How old are the major systems (roof, HVAC, water heater)? Are there any safety concerns I should address before moving in? Do you recommend any specialty inspections based on what you saw today?