Coin Flip

You Filed Your Taxes. Now Update This One Form Before You Forget.

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This episode of Coin Flip breaks down how to update your W-4 so your paycheck better matches your real tax bill. Derek explains why most W-4s were set under old rules, how the One Big Beautiful Bill Act and updated IRS withholding tables changed the math, and what you can do in about fifteen minutes to stop overpaying or underpaying your taxes through withholding.

Listeners will learn how recent and upcoming tax law changes affect paycheck withholding, why many people are now over-withholding and giving the IRS an interest-free loan, and how to use the IRS Tax Withholding Estimator at IRS.gov/W4App to generate a new, accurate W-4. The conversation focuses on simple, practical steps rather than tax jargon or spreadsheets.

  • Understand outdated W-4s: Why forms set years ago no longer fit post-2026 tax rules and how that mismatch shows up in your refund or tax bill.
  • See how tax changes hit your paycheck: How the higher standard deduction, expanded SALT cap, and new deductions for tips and overtime affect withholding accuracy.
  • Weigh the risks: What over-withholding (big refund, tight cash flow) and under-withholding (surprise tax bill and possible penalties) look like in real life.
  • Use the IRS estimator: A brief walkthrough of IRS.gov/W4App, what information to gather, and how to download a prefilled W-4 to send to payroll.
  • Take a quick win: How a single fifteen-minute adjustment to your W-4 can bring your paychecks closer to your actual tax outcome without overhauling your whole financial life.

    • If you had a large tax refund this year or were surprised by a bill, this episode helps you use one simple lever—your W-4—to bring your withholding back in line. Make the change now while tax season is fresh, then subscribe so you are ready for the next money decision.

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    Coin FlipBy Coin Flip