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Cheat sheet chart titled Costly Money Mistakes by Decade. Up and down: biggest impact at the top, smaller impact at the bottom. Left to right: less common on the left, very common on the right. Placement by corner, top left: Cosigning a Loan, Cashing Out the 401(k); top right: Skipping the 401k Match, No Life Insurance, Kids, Waiting on LTC Planning; bottom left: No Will; bottom right: Carrying Card Balances, No Emergency Fund.

Debt, Budget and Money Basics

Costly Money Mistakes by Decade

Common money mistakes from your 20s through your 50s, sorted by how often they happen and how much they hurt.

The sheet in words

Up is biggest impact (hurts the most); down is smaller impact (fixable later). Left is less common (not everyone); right is very common (most people).

  • Cosigning a Loan

    40s. You owe it if they stop paying

  • Cashing Out the 401(k)

    40s. Taxes and penalties can eat it

  • No Will

    50s. Courts decide, not you

  • Skipping the 401k Match

    20s. Leaving employer money unclaimed

  • No Life Insurance, Kids

    30s. Income stops, bills do not

  • Waiting on LTC Planning

    50s. Cost and health can limit options

  • Carrying Card Balances

    30s. Interest grows while you wait

  • No Emergency Fund

    20s. One surprise bill becomes debt

Placement is general judgment, not survey data. Top right hurts most and happens most.

General education only, not a recommendation. Which mistakes matter most depends on your income, family, health and goals. Employer match, tax and penalty rules vary by plan and change over time. Education only, not investment, tax or legal advice. Sony Ho, Licensed Life Insurance Agent, NPN 18171750 · wealthprohi.com/check

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Sony Ho is licensed in Hawaii only and can only discuss insurance with Hawaii residents.