Insurance You Actually Need

Most people get insurance exactly backwards.

They’ll pay $12/month for a phone protection plan and skip long-term disability coverage entirely. They’ll buy the extended warranty on a $600 laptop and carry the legal minimum auto liability. The small, replaceable stuff gets insured. The catastrophic, life-derailing stuff doesn’t. The insurance industry likes it this way. Small policies with high margins are their bread and butter.

Emergency Funds covered the shocks a savings account can absorb: a car breakdown, a surprise medical bill, a few months of unemployment. But some risks dwarf any savings account. A house fire. A cancer diagnosis. A car accident where the other driver’s injuries run into six figures. These aren’t inconveniences. They’re the kind of events that erase a decade of FIRE progress in a single afternoon.

The One Principle

Insure against ruin. Self-insure everything else.

A cracked phone screen costs $200 to fix. Annoying, but your emergency fund handles it without a ripple. A $350,000 medical bill after a serious accident? No emergency fund on earth covers that. The first scenario is an inconvenience. The second is financial destruction.

The question to ask before buying any insurance policy: “If this thing happened and I had no coverage, would it ruin me financially?” If the answer is yes, buy the policy. If the answer is “it would be expensive and annoying,” skip it and put that premium toward your investments.

Your emergency fund is your self-insurance policy for everything below the catastrophe line. The further along you are on the path to FI, the higher that line moves. A $5,000 deductible feels terrifying with $2,000 in savings. It feels trivial with $200,000 in investments. Your insurance needs shrink as your wealth grows. Most people never adjust.

What You Actually Need

Six types of insurance protect against genuine financial ruin. Most people need all six at some point, though the specifics change with life stage.

Health Insurance — non-negotiable. Medical debt is the leading cause of personal bankruptcy in the United States.
Auto Liability — protects you from lawsuits, not from dents. State minimums are dangerously low.
Renters and Homeowners — the most underrated policy in existence. $200/year to protect $20,000-$50,000 in belongings.
Term Life Insurance — cheap, simple, and necessary only if someone depends on your income.
Long-Term Disability — protects your most valuable asset: your ability to earn income.
Umbrella Liability — the cheapest protection per dollar of coverage you can buy, once you have real assets to protect.

What You Probably Don’t Need

The insurance industry sells fear. These products are the most common result.

Whole life insurance is the worst financial product routinely sold to ordinary people. It combines a mediocre investment account with overpriced life insurance and charges fees that would make a hedge fund blush. An agent will tell you it “builds cash value.” That cash value grows at 1-3% annually while the agent collects a commission equal to 50-100% of your first year’s premium. Buy term life for the death benefit. Invest the premium difference in an index fund. You’ll come out tens of thousands of dollars ahead over 20 years.

Extended warranties are insurance policies on things your emergency fund already covers. The retailer pushing the warranty makes a 50-70% profit margin on it. The appliance or electronic either works past the manufacturer’s warranty period or it fails within it. Self-insuring is the obvious move.

Credit card protection plans, identity theft insurance, and accidental death policies are low-probability, low-severity events dressed up as threats. Credit card fraud liability is already capped at $50 by federal law, and most issuers waive even that. Identity theft monitoring is free through most banks and credit cards. Accidental death insurance pays only for specific causes of death, which makes it a bad bet by definition. If you need a death benefit, buy term life. It pays regardless of how you die.

Specific-disease policies like cancer insurance or hospital indemnity plans are gap coverage for a gap that shouldn’t exist. If your health insurance is adequate, a cancer diagnosis is covered. If it’s inadequate, the solution is better health insurance, not a second policy that only covers one disease.

Insurance and the FIRE Math

Every dollar of insurance premium reduces your savings rate. That’s the tension. You need coverage to protect the wealth you’re building, but the premiums themselves slow the building.

Take the $75,000 earner from Savings Rate. She takes home $4,547/month and invests $1,200, giving her a 26.4% savings rate. Her insurance costs break down roughly like this:

Coverage	Monthly Cost
Health (employee share)	$200
Auto (100/300 liability, $1,000 deductible)	$130
Renters	$20
Term life ($500K, 20-year)	$30
Long-term disability (supplemental)	$45
Total	$425

That $425 per month is 9.3% of her take-home pay. Not trivial. But without it, a single lawsuit, medical crisis, or disability event could erase years of investing. The premiums are the cost of protecting the compounding.

Optimize, don’t eliminate. Higher deductibles on auto and health (if her emergency fund covers them) save $50 to $80 per month. Dropping collision on an older car saves another $30 to $50. Shopping rates annually catches premium creep. Every dollar clawed back from premiums goes straight into investments.

As her net worth grows, the equation shifts. At $200,000 in investments, she adds a $1 million umbrella policy ($25/month) and raises deductibles further. At $500,000, she might reconsider the supplemental disability policy since her portfolio can now bridge a shorter-term income gap. At FI, with no dependents relying on her income, she drops term life entirely. The portfolio replaces the paycheck the insurance was protecting.

The trajectory: spend more on insurance when you’re vulnerable, less when you’re wealthy. Most people do the opposite.

Where This Breaks

Health insurance for the self-employed and early retirees is a genuine problem with no clean answer. ACA marketplace premiums for a family can exceed $1,500 per month in many states, with deductibles of $5,000 to $10,000 on top. That’s $18,000 to $28,000 per year before the insurance pays a dollar. For someone planning early retirement, this cost needs to be baked into the spending number that drives the 25x calculation. Many people who could otherwise retire early keep working specifically for employer-sponsored health insurance. That’s a rational decision, not a failure of nerve.

The ACA guarantees coverage regardless of health history, but that guarantee depends on the law remaining intact. People with chronic conditions carry a risk healthy people can ignore: the rules might change. Factor that into the margin of safety on your FI number.

At very low incomes, “buy adequate coverage” collides with reality. Someone earning $32,000 in a state without Medicaid expansion can earn too much for Medicaid and too little for meaningful ACA subsidies. No amount of financial optimization solves a systemic access problem.

What’s Next

With debt eliminated, an emergency fund in place, and insurance protecting against catastrophic risk, the money management foundation is complete. You’ve built the floor that keeps a bad month from becoming a bad decade.

Now the question changes from “how do I protect what I have” to “how much is enough and when can I stop.” That’s the planning phase. The 4% Rule breaks down the withdrawal rate research, what the original studies actually found, where the rule holds up, and where it doesn’t.