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Home and Auto Coverage: Six Expensive Mistakes on Autopilot

Insurance & Protection5 min readUpdated August 2026

Key Takeaways

Home and auto policies renew silently for years while construction costs, car values, household wealth, and risk all change, which is how prosperous families end up simultaneously overpaying for small risks and underinsured for catastrophic ones. The audit below takes an hour with your declarations pages and fixes the six patterns we see most.

Dwelling and Deductible Mistakes

Mistake one: dwelling coverage anchored to an old purchase price while rebuild costs ran away, post-2020 construction inflation left many homes 20-40% underinsured; ask for a replacement-cost review, add extended replacement cost (25-50% cushion), and ordinance-of-law coverage for code upgrades a rebuild would require. Mistake two: deductibles set when your emergency fund was thin. With real reserves, a $2,500-5,000 deductible cuts premium meaningfully, and small claims should not be filed anyway (claims history prices future premiums), insure catastrophes, self-fund annoyances, the same logic that governs the whole protection stack.

Liability and Auto Mistakes

Mistake three: state-minimum or default auto liability limits, a serious at-fault injury accident collects from your assets and future wages once limits exhaust. Fix: maximum available limits (commonly $250k/$500k or $500k CSL) plus the umbrella stacked above. Mistake four: skipping uninsured/underinsured motorist coverage, which pays your family when the at-fault driver carries the state minimum; buy it at high limits, it is cheap and covers the likeliest severe scenario. While there: confirm rental reimbursement and glass coverage reflect what you would actually use, and drop collision on vehicles whose value no longer justifies it.

Try it: the free The Wealth Checkup takes a couple of minutes and shows you where you stand. Or explore insurance & protection at Attend.

The Gaps Standard Policies Never Covered

Mistake five: assuming flood and sewer backup are covered, they are not. Flood is a separate policy (FEMA's NFIP or private markets; see floodsmart.gov), and metro Atlanta's flash-flood claims regularly hit homes outside mapped zones; water-backup endorsements cost little and pay often. Mistake six: valuables and exposures outgrowing the policy, jewelry, art, and collections above sublimits need scheduling; home offices, rentals, and short-term-renting need endorsements or separate policies; new pools, trampolines, and teen drivers need disclosure and umbrella recalibration.

Running the Audit

Pull declarations pages, walk the six items, and get competing quotes every two or three years through an independent agent, loyalty pricing is real and works against incumbents' longest-tenured customers. Bundle where it genuinely discounts, and document the house (video walkthrough, receipts for big items) before any claim exists. We fold this audit into protection planning reviews; it is the least glamorous hour of the year and reliably one of the best-paid.

Frequently Asked Questions

Should I file a $3,000 claim with a $1,000 deductible?

Usually not: a $2,000 recovery can cost more than that in surcharges and lost claims-free discounts over following years. Save claims for losses that genuinely stress your finances.

Is flood insurance worth it outside a flood zone?

Often, yes: a large share of flood claims come from outside high-risk zones, and preferred-risk premiums are modest. Check your property's real exposure, not just the FEMA map.

Does homeowners insurance cover my home business?

Barely: business property sublimits are tiny and liability is excluded. A home-business endorsement or small commercial policy closes the gap for a few hundred dollars.

Tony Colunga
Tony Colunga · Founder, Attend Wealth

Tony leads Attend Wealth, a fee-based wealth management firm in Atlanta serving professionals, families, and business owners. Advisory services are held to a fiduciary standard. More about Attend

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This article is educational only and is not investment, tax, or legal advice. See our disclosures.