- Types of Personal Insurance: Health, Life, Auto and Umbrella
- How Much Life Insurance Do You Need? A Household Calculation
- State Minimum Auto Insurance: What an At-Fault Accident Costs (you are here)
This is part 3 of 3 of our guide to Insurance for Individuals and Families. It picks up where How Much Life Insurance Do You Need? A Household Calculation leaves off, and it is written to stand on its own: the key ideas are restated where you need them.
Rising climate-driven premiums are a direct, quantifiable financial consequence of Part 5’s housing decision — a home’s location now carries a material and growing insurance-cost dimension that didn’t weigh nearly as heavily a decade ago, and is worth pricing into an affordability calculation (Part 5.2) explicitly, not treated as a fixed, minor line item.
An auto policy is a set of separate coverages, each with its own limit or deductible:
| Coverage | What It Pays For | Required? |
|---|---|---|
| Bodily injury liability | Injuries you cause to other people | In almost every state |
| Property damage liability | Other people’s cars and property you damage | In almost every state |
| Uninsured/underinsured motorist | Your injuries when the at-fault driver has no insurance, too little, or flees | In some states |
| MedPay / PIP | Medical bills for you and your passengers, whoever is at fault; PIP adds lost wages | PIP in no-fault states |
| Collision | Your car after a crash, up to its value | No, but lenders require it |
| Comprehensive | Theft, fire, flood, hail, vandalism | No, but lenders require it |
Liability limits are written as three numbers. Texas’s minimum, 30/60/25, means up to $30,000 for each injured person, $60,000 for all injuries in one accident, and $25,000 for property damage. Minimums vary by state. New Hampshire instead requires proof that you could pay for an accident you cause. The Insurance Information Institute counts twelve no-fault states, including Florida, Michigan, New York and Pennsylvania: your own PIP pays your medical bills first, and you can sue the other driver only for serious injuries or large bills.
Liability-only coverage pays for damage or injury to others but nothing for your own car. It costs a fraction of full coverage, which adds collision and comprehensive. That is a reasonable trade for an old car worth little, and a real gap for a newer or financed one, where the lender requires full coverage anyway. If you owe more than the car is worth, GAP insurance covers the difference (3.9).
Driving for pay. Personal auto policies commonly exclude driving for compensation. Under the NAIC’s model bill for ride-hail work, at least 50/100/25 of primary liability must be in place while the app is on and you wait for a request, and $1 million once a ride is accepted; that waiting period is where drivers have been underinsured, often with no coverage for their own car. Ask your insurer for a rideshare endorsement (NAIC, as of Oct 2026).
How the price is set. Insurers price your driving record, where you live, the car, your age, your mileage, the limits and deductibles you choose, and in most states a credit-based insurance score. FICO estimates that about 95% of auto insurers use these scores where the law allows them; some states restrict them. Prices have risen fast: the NAIC’s average auto insurance spending rose 14.0% in 2023, to $1,282 a year. That average covers every kind of policy, liability-only included.
Choosing a deductible. Suppose, for illustration, that raising the collision and comprehensive deductible from $500 to $1,000 cuts the premium by $150 a year. You take on $500 more risk per claim, so break-even = $500 ÷ $150 = 3.3 years. If you claim less often than once every three years or so, the higher deductible wins, provided the $1,000 sits in your emergency fund (1.4).
You carry a 30/60/25 policy (Texas’s minimum) and run a red light. The other driver’s car, worth $20,000, is totaled, and their injuries produce an $85,000 claim. Property damage is within the $25,000 limit. On the injury claim your insurer pays its $30,000 per-person limit, and the remaining $85,000 − $30,000 = $55,000 is yours.
If the injured driver wins a judgment, they can go after your savings and, in most states, your wages. Federal law caps an ordinary wage garnishment at 25% of disposable earnings (pay after legally required deductions), and some states protect more. In a state that follows the federal ceiling, for the running household disposable pay is $2,884.62 − $234.92 federal tax − $213.02 FICA = $2,436.68 a check, and 25% is $609.17. Paying $55,000 that way takes $55,000 ÷ $609.17 = 90.3 paychecks, about 3½ years, before any court-ordered interest. Higher limits hand that risk to the insurer instead.
A common starting point is liability of at least 100/300/100, or enough to protect your net worth, whichever is higher. The rule exists because state minimums are the least the law accepts: the Texas Department of Insurance itself warns they may be too low if you cause a multi-vehicle accident or total another driver’s car. It assumes your exposure is roughly your net worth. It breaks in three places. Your future wages are exposed too, as the example shows, so a young, low-net-worth earner can need more than the rule suggests. Past the highest limits an auto policy offers, protection comes from an umbrella policy (8.7). And uninsured/underinsured motorist coverage protects you from other drivers, a risk the liability rule doesn’t measure at all.
An umbrella policy adds liability coverage, typically starting at $1 million, on top of the liability limits already included in your homeowners (or renters) and auto policies. It pays only after those underlying limits are used up. It is inexpensive for the protection it offers because the events it covers, such as a serious at-fault accident or a lawsuit over an injury on your property, are rare. They can also take a household’s entire net worth (Part 1.2) and years of its wages.
How it stacks. The insurer requires you to keep stated underlying limits; the Insurance Information Institute says most require at least $300,000 of underlying liability, and requirements differ by company. The umbrella is priced on the assumption that those limits stay in place. If you let one lapse or drop below the requirement, you may have to pay the gap yourself.
Assume, for illustration, an auto policy with 250/500/100 limits and a $1 million umbrella. You cause a crash, and one injured driver wins a $1,500,000 judgment.
- Auto policy: pays its $250,000 per-person limit.
- Umbrella: pays the next $1,000,000.
- You: $1,500,000 − $250,000 − $1,000,000 = $250,000.
Without the umbrella you would owe $1,500,000 − $250,000 = $1,250,000, collected from savings, home equity and, in most states, wages (8.6: Auto Insurance). With a $2 million umbrella you would owe nothing; the umbrella pays $1,250,000 and $750,000 of its limit is never used.
What it covers and doesn’t. It covers injury to others and damage to their property that you are legally responsible for, above the underlying limits. Read how yours treats defense costs: a standard homeowners policy pays for your defense on top of its limit but stops defending once it has paid that limit. Like the policies beneath it, an umbrella generally excludes business activities, injury you intend, and your own injuries or property, which belong to health, disability and property insurance.
Who needs it. Anyone whose net worth, plus the future earnings a creditor could garnish, is larger than their auto and home liability limits. The risk rises with a teenage driver in the house, a pool or trampoline, a dog, a rental property, or simply a long commute. The running household in its first year has a small net worth, but it has decades of wages at stake. An umbrella starts to make sense once the household also owns a home and has savings, as in Case Two (Part 14.3).
How much. A common heuristic is to cover at least your net worth, rounded up to the next million, and more if your income is high or you face one of the risks above.
Price. A range of $150–$300 a year for the first $1 million is often quoted, without a date or a source. The Insurance Information Institute’s consumer pages cite $200–$300 and $200–$350 a year, also undated. Quotes depend on your underlying limits, drivers and property, so get two or three when you renew your auto or home policy.
Rule: Insure a risk when its worst plausible loss is more than half your emergency fund; self-insure it when the loss is smaller.
- Deductibles: take the highest offered, as long as the deductibles one event could trigger together (home and auto in one storm, or a health plan’s out-of-pocket maximum) total no more than half the fund (8.5).
- Liability: auto limits of at least 100/300/100, and an umbrella of at least net worth rounded up to the next million once net worth plus garnishable wages exceeds them (8.7).
- Income: long-term disability coverage replacing at least 60% of gross pay (8.4); level term life sized by DIME if anyone depends on you (8.3).
- Skip: extended warranties and any coverage whose worst case you could pay in cash.
It assumes a funded, liquid emergency fund. Ignore it while the fund is being built (take lower deductibles until it is full, but keep catastrophic coverage), when a lender or state law sets the deductible or limit, or when you claim more often than about once every six years (8.5).
Insuring the small losses and leaving the large ones open. Many households buy low deductibles while carrying the state-minimum liability limit. The 8.6 crash at Texas’s 30/60/25 minimum leaves $85,000 − $30,000 = $55,000 unpaid: $55,000 ÷ $609.17 = 90.3 paychecks at the federal garnishment ceiling, about 3½ years of the running household’s pay. Without an umbrella, the 8.7 judgment leaves $1,250,000.
How to avoid it: raise bodily-injury limits to at least 100/300 before lowering any deductible, match uninsured/underinsured motorist coverage to them, and fund the umbrella from a higher deductible: at the 8.5 prices, moving from a $1,000 to a $5,000 home deductible frees $420 a year, more than the $150–$350 quoted for a first $1 million umbrella (8.7).
How much life insurance do I need?
Enough to replace the income your dependents rely on, plus debts and planned costs, minus coverage you already have. The DIME method adds debts, income for the years it is needed, the mortgage and education: for the year-eight household with a newborn and one income that is about $1.15 million, 15 times salary, above the 10–12× rule of thumb. With no dependents you need little beyond final expenses (8.3).
Is umbrella insurance worth it?
Yes, once your net worth plus the wages a creditor could garnish exceed your auto and home liability limits. An umbrella adds coverage, typically from $1 million, above those limits, and most insurers require at least $300,000 of underlying liability. Quoted prices run roughly $150–$350 a year for the first $1 million. Without one, the 8.7 example leaves a $1.25 million judgment with the driver.
Is a high-deductible health plan better than a PPO?
Usually, if you can pay the deductible from savings. In the 8.2 example the HDHP costs $1,680 less in a light year and $950 less in a moderate one, after taxes and the employer’s HSA deposit, but $1,310 more in a catastrophic year. Choose the PPO if you expect heavy care every year or could not cover the deductible, and rerun the numbers at each open enrollment.
Do I need disability insurance if my employer provides it?
Check what it pays first. A common group plan replaces 60% of salary after a 90-day wait: $3,750 a month for the running household, leaving a gap of about $940–$1,210 a month against take-home pay, depending on how the premium was paid (8.4). Social Security pays only if you cannot do any substantial work for at least a year, so it rarely fills that gap.
Vol. III’s Part 4 covered how multinational corporations structure across tax jurisdictions. This Part is the same subject at household scale: how one person’s return is actually built, bracket by bracket — and 2026 is an unusually consequential year for it, as the One Big Beautiful Bill Act’s individual tax provisions take full effect.
India’s insurance regulator is IRDAI, and the logic of 8.1 and 8.3 carries over intact: pure term cover is cheap, and 10–12 times income is a common starting estimate. Health insurance needs more care than 8.2, because Indian policies are indemnity contracts whose limits bite at claim time: room-rent caps (a costlier room can shrink other related charges in proportion), co-payment (a fixed share you always pay, common in senior-citizen policies), sub-limits on named treatments, and waiting periods. IRDAI’s master circular of May 29, 2024, caps the pre-existing-disease wait at 36 months, bars contesting a policy after 60 continuous months except for fraud, requires a cashless decision within one hour and discharge approval within three, and keeps cover portable between insurers with waiting-period credit.
Group cover from an employer ends with the job, so a personal policy matters. Ayushman Bharat PM-JAY gives eligible lower-income families cashless cover of ₹5 lakh a year, and since Oct 29, 2024 everyone aged 70 or over qualifies regardless of income (the Ayushman Vay Vandana card). Under the old regime, Section 80D (now Section 126) allows up to ₹25,000 a year for your family’s premiums (₹50,000 if a senior citizen), plus a separate allowance for parents.
Insure by severity, not probability: pay small losses from the emergency fund and transfer only the risks that would be financially devastating, such as a large liability judgment, a destroyed home or years of lost income. Price a health plan across a full year of light, medium and heavy care, counting taxes and HSA deposits; in the illustration the HDHP wins in light and moderate years and loses about $1,300 in a catastrophic one. Buy term life sized to the actual need (the year-eight household, on one income with a newborn, needs about 15 times salary, not the rule-of-thumb 10–12), and don’t skip disability insurance, which covers the more likely event during working years. Insure a house for at least 80% of its rebuilding cost, not its market value or its loan, and remember that standard policies exclude flood and earthquake. Carry auto liability limits well above the state minimum and add an umbrella once your net worth and future wages exceed the underlying limits.
Two questions on this chapter. Decide on your answer first, then click “Reveal Answer.”
1. You carry auto liability limits of 250/500/100 and a $1 million umbrella. After an at-fault crash, one injured driver wins a $1,600,000 judgment. How much is left for you to pay?
- $100,000
- $1,350,000
- $600,000
- $350,000
Reveal Answer
Answer: D. One injured person draws on the $250,000 per-person limit, not the $500,000 per-accident limit; the umbrella pays the next $1,000,000, leaving $1,600,000 − $250,000 − $1,000,000 = $350,000. Using $500,000 gives $100,000. (Part 8.7)
2. Your insurer will cut your homeowners premium by $240 a year if you raise the deductible from $1,000 to $2,500. Ignoring any effect on future premiums, how often would you need to file a claim larger than $2,500 for the $1,000 deductible to stay the cheaper choice?
- More often than once every 6¼ years
- More often than once every 10½ years
- More often than once every 4 years
- More often than once every 19 years
Reveal Answer
Answer: A. The higher deductible adds $1,500 of risk per claim and saves $240 a year, so the break-even claim frequency is $240 ÷ $1,500 = 0.16 a year, one claim every 6.25 years: about three times the 5.3% of insured homes that claimed in 2023. (Part 8.5)
- Publication 525 — Taxation of disability benefits
- Publication 15-A — FICA on sick pay
- Federal poverty level — 400% FPL subsidy limit
- Out-of-pocket maximum — 2026 ACA cap
- Revenue Procedure 2025-19 — 2026 HSA and HDHP limits
- Insurance Regulatory and Development Authority of India (IRDAI) – IRDAI (irdai.gov.in)