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Families and Parents

How Much Life Insurance Do You Actually Need? A Working Method for South Dakota Families

Most rules of thumb either scare you into buying too much or leave your family short. Here is the method we use with Sioux Falls families to land on a real number, and what changes it as life moves.

A young family at a kitchen table reviewing household paperwork together
Photo: Big Sioux Life

Ask ten people how much life insurance they need and you will get ten multipliers. Ten times income. Twelve times. Some number a neighbor heard once. None of them know anything about your mortgage, your childcare bill, or whether your spouse could keep the house on one income.

A multiplier is a starting point, not an answer. What follows is the method we actually walk through at the kitchen table, and it takes about twenty minutes.

The short version

  • Start from obligations, not from income. Income is a proxy; obligations are the real thing.
  • Four buckets: debt, income replacement, education, and final expenses. Subtract what you already have.
  • Most young families are underinsured on term and overpaying for permanent they did not need yet.
  • The number is not permanent. It should fall as the mortgage amortizes and the kids age out.

Why the multiplier fails

Ten-times-income treats a 28-year-old with a new mortgage and two toddlers the same as a 58-year-old with a paid-off house and grown children. Their obligations are nothing alike.

Use the multiplier as a sanity check

Run the four-bucket method first. If your result lands wildly outside eight to fifteen times income, go back and check your assumptions — you have probably double-counted something or missed an existing policy.

The four buckets

1. Debt that would not disappear

Mortgage balance, vehicle loans, student loans that are not federally forgiven at death, credit balances, and any business debt you personally guaranteed. Use current balances, not original amounts.

2. Income replacement

This is the biggest and most misunderstood bucket. You are not replacing your whole paycheck forever. You are replacing the portion your household depends on, for the number of years they need it.

A workable version: take your annual income, subtract what you personally consume, multiply by the years until your youngest is independent or your spouse reaches their own retirement resources.

3. Education

If you intend to fund college, put a real figure here. If you do not, put zero and stop feeling guilty about it.

4. Final expenses and a cushion

Funeral and burial costs, medical bills, estate settlement, and a few months of breathing room so nobody makes a housing decision in the first thirty days of grief.

Then subtract what already exists: current policies, group coverage through work, meaningful savings, and any survivor benefits.

A worked example — a Sioux Falls household, two children under ten
Bucket What goes in it Example figure
Debt Mortgage balance, one vehicle loan $265,000
Income replacement $70,000 household reliance × 14 years $980,000
Education Two children, partial funding intent $120,000
Final expenses Funeral, medical, settlement cushion $25,000
Less: existing Group coverage 1× salary, savings −$115,000
Indicated need What a policy should actually cover $1,275,000

Do not lean on group coverage

Employer coverage is usually one to two times salary, it is rarely portable, and it ends when the job ends — often at the exact moment a household can least absorb the loss. Count it, but do not build the plan on it.

What the number looks like over time

The mistake is treating the figure as fixed. It is not. It peaks when the mortgage is largest and the children are youngest, then declines.

Indicated coverage need by household stage

Illustrative shape for the example household above — your own curve depends on your debts and dependants.

New mortgage, young kids $1.28M
Kids in middle school $975K
Kids in college $615K
Mortgage nearly paid $280K

Figures are illustrative and rounded. They are not a quote or an offer of coverage.

This is exactly why level term for a defined period does most of the heavy lifting for young families. You are buying coverage for the shape of the curve, not forever.

Common setup

Guessing at the number

  • Coverage picked from a multiplier or a work benefit
  • Group policy assumed to be enough
  • Term length chosen at random
  • Never revisited after the second child
  • Permanent policy bought before the term gap was closed

GuessworkCoverage that may not match the obligation

Worked method

A number you can defend

  • Four buckets, current balances, real intent
  • Existing coverage subtracted honestly
  • Term length matched to the youngest child
  • Reviewed at every major life change
  • Permanent considered only after the gap is closed

DefensibleCoverage matched to the obligation

4

Buckets in the calculation

20 min

Time to work through it properly

1–2×

Typical group coverage — rarely enough

Every 3 yrs

Review cadence, or sooner on a life change

When to redo the math

A new child

Adds years of dependency and usually education intent.

A move or refinance

Changes the largest single line in the debt bucket.

A job change

Group coverage often disappears the day the badge does.

Marriage or divorce

Changes both the obligation and the beneficiary designation.

Starting a business

Personally guaranteed debt belongs in bucket one.

The last child leaving

Usually the point where the number starts coming down.

Buy coverage for the shape of the obligation, not for a multiple of your paycheck.

Mike Moore

Before you sign anything

Coverage availability, features, and rates vary by carrier and state and are subject to underwriting. No coverage exists until a policy is issued and in force. Any guarantees are subject to the claims-paying ability of the issuing insurer. This article is general education, not insurance, legal, financial, or tax advice.

Do it once, properly

Work the four buckets with real balances. Subtract what you genuinely have. Match a term length to your youngest child rather than to a round number. Then revisit it when life moves.

That is the whole method. It is not complicated — it is just specific, which is exactly what a multiplier is not.

Want a second set of eyes on your number?

We will work the four buckets with you and compare available options across the carriers we represent. No pressure, no cost to talk.

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