Eligibility, Renewal and Requirements

12 Mistakes to Avoid When Buying Homeowners Insurance

The costly errors homeowners make when buying or renewing coverage, from choosing on price alone to underinsuring the dwelling, skipping endorsements or misreporting the home.

Updated · 4 min read

12 Mistakes to Avoid When Buying Homeowners Insurance

The most expensive homeowners insurance mistakes are choosing the lowest premium without comparing coverage, insuring the home for market value instead of rebuild cost, ignoring roof settlement terms and wind deductibles, assuming flood and sewer backup are covered, and giving inaccurate information on the application. Each one is avoidable if you compare identical coverage, read the declarations page and the endorsements, and review the policy every year. This guide lists twelve mistakes, shows what each can cost, and explains the fix.

Mistake 1: Comparing premiums without comparing coverage

Two quotes with different limits, deductibles and settlement terms are not comparable. A $1,500 policy with a $5,000 deductible, ACV roof and no water backup is a different product from a $1,900 policy with a $1,000 deductible and replacement cost roof.

Fix: Request identical specifications and use the quote checklist. Then use the quote comparison tool to see the total cost for a loss scenario.

Mistake 2: Insuring for market value or purchase price

Market value includes land and local demand. Rebuild cost is what you need.

Fix: Use rebuild estimates from multiple sources. See how much dwelling coverage you need.

Mistake 3: Accepting the lender's minimum

Lenders require coverage to protect their loan, often based on the balance. You need coverage to rebuild.

Fix: Insure to full rebuild cost with replacement cost settlement.

Mistake 4: Choosing a deductible you cannot afford

A deductible only saves money if you can pay it after a loss. A 5 percent wind deductible on a $400,000 home is $20,000.

Fix: Pick a deductible that matches your emergency savings. Convert percentages to dollars with the deductible calculator.

Mistake 5: Overlooking roof terms

Policies may pay roofs at actual cash value or on a depreciation schedule, especially for older roofs. After hail or wind, that can mean a payout of half or less of the repair cost.

Fix: Ask for the roof settlement terms in writing, and consider roof replacement or a carrier with better terms if your roof is aging.

Mistake 6: Assuming flood, earthquake and sewer backup are covered

They are usually excluded. See flood and earthquake coverage gaps.

Fix: Price separate flood coverage, an earthquake option where relevant and a water backup endorsement.

Mistake 7: Skimping on liability

Liability claims can exceed a $100,000 limit. Lawsuits from injuries, dog bites or property damage are legal and medical costs together.

Fix: Consider $300,000 to $500,000 liability and an umbrella policy if your assets warrant it.

Mistake 8: Giving inaccurate or incomplete information

Understating square footage, leaving out prior claims, a pool, a home business or rental use can lead to a denied claim or cancellation.

Fix: Answer honestly, correct errors on the declarations page and report changes such as renovations or occupancy.

Mistake 9: Ignoring valuables and sublimits

Jewelry, watches, firearms, art and collectibles often exceed standard sublimits.

Fix: Make an inventory and schedule high-value items, with appraisals.

Mistake 10: Not checking the insurer

A low price from a financially weak or complaint-heavy insurer can be costly when you file a claim.

Fix: Check financial strength ratings, complaint data from your state department of insurance and licensing. Be careful with advertising claims.

Mistake 11: Letting coverage lapse or mishandling the switch

A gap in coverage can lead to force-placed insurance and higher future premiums. A cancelled policy before the new one starts is a gap.

Fix: Bind the new policy first, send proof to your servicer, then cancel the old policy. See when to switch providers.

Mistake 12: Setting and forgetting

Rebuild costs rise, you remodel, and carriers change terms at renewal. A policy that fit three years ago may not fit now.

Fix: Review each renewal, update the dwelling estimate every one to three years and keep a home inventory.

Summary table

MistakeTypical cost of the errorPrevention
Price-only comparisonLarge uncovered lossesIdentical specifications
Underinsuring the dwellingShortfall after a total lossRebuild estimate
Unaffordable deductibleCash crunch after a stormEmergency fund match
ACV roofThousands on roof claimsCheck roof terms
Assuming flood coveredTotal uninsured lossFlood policy
Low liability limitPersonal exposureHigher limit or umbrella
Inaccurate applicationClaim denialHonest disclosure

Illustrative example: the cost of the cheapest quote

Assume a storm causes $30,000 of damage to a 16-year-old roof and siding. Quote A is cheaper by $350 a year but pays the roof at ACV with a 2 percent wind deductible ($7,000 on a $350,000 limit) and the roof payment is cut by $5,000 for depreciation. Quote B costs $350 more with a flat $2,500 deductible and replacement cost roof. Under A you pay $7,000 + $5,000 = $12,000. Under B you pay $2,500. The $9,500 difference is 27 years of the $350 premium saving. The numbers are illustrative, but the pattern is common.

A short pre-purchase routine

  1. Estimate rebuild cost.
  2. Choose deductible and settlement terms.
  3. Request three comparable written quotes.
  4. Check carrier strength and complaints.
  5. Read the exclusions and endorsements.
  6. Confirm lender requirements.
  7. Calendar the renewal and review date.

Frequently asked questions

Is the cheapest homeowners insurance a bad idea?

Not always, but only if the coverage matches. Compare dwelling limit, deductible, roof terms, endorsements and the carrier's claims record before choosing.

Should I buy from an agent or online?

Both work. Agents can explain options and compare carriers, while direct purchases are convenient. What matters is that you review the declarations page.

How often should I review my policy?

Every renewal, and whenever you remodel, add a pool, rent the home, or change lenders.

Do I need a home inventory?

It is not required but makes claims and coverage decisions much easier. Use photos or video and store them off-site.

Sources and where to check

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