Our guests on the podcast today are Cody Garrett and Sean Mullaney. They’re both advice-only financial planners, and they’re the co-authors of a new book called Tax Planning To and Through Early Retirement. Cody is a certified financial planner and the founder of Measure Twice Money, where he helped DIY investors make informed decisions aligned with their values. He also leads Measure Twice Planners, which is an educational community for financial planners. Sean Mullaney is a certified public accountant and head of Mullaney Financial & Tax. He also writes the blog, FITaxGuy.com, which is focused on the intersection between financial independence and taxes.

Background

Tax Planning and Early Retirement

Tax Planning To and Through Early Retirement, by Cody Garrett and Sean Mullaney

“The Backdoor Roth IRA After an Excess Contribution to a Roth IRA,” Sean Mullaney, FITaxGuy.com, Dec 16, 2025

“Why I Don’t Worry Much About Sequence of Returns Risk,” Sean Mullaney, FITaxGuy.com, Jun 10, 2025

“The Tax Planning World Has Changed,” by Sean Mullaney, FITaxGuy.com, Sep. 22, 2025

“Bogleheads on Investing® with Cody Garrett, CFP®, and Sean Mullaney, CPA on tax planning to and through retirement: Episode 89″ by Bogleheads on Investing® podcast, BogleCenter.net, Dec. 7, 2025

“Managing Taxes in Retirement with Sean Mullaney,” by the White Coat Investor Podcast, WhiteCoatInvestor.com, Nov 20, 2025.

Die With Zero: Getting All You Can from Your Money and Your Life―A Revolutionary Approach to Maximizing Life Experiences Over Accumulating Wealth, by Bill Perkins

“Reframing Risk In Retirement As “Over- And Under-Spending” To Better Communicate Decisions To Clients, And Finding “Best Guess” Spending Level,” by Michael Kitces, Kitces.com, Apr. 24 2024.

More on Early Retirement and FIRE

“My Baptism by FIRE: Lessons on Financial Independence,” by Christine Benz, Morningstar.com, May 29, 2025.

“Aiming to ‘Die with Zero’? Here Are the Implications for Portfolio Construction and Retirement Spending,” by Jess Bebel, Morningstar.com, Apri. 6, 2025

"Derek Tharp: An Alternative Approach to Calculating In-Retirement Withdrawals," The Long View podcast, Morningstar.com, Feb. 21, 2023

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Cody Garrett and Sean Mullaney: ‘For Most Americans, You’re Going to Pay Less Tax in Retirement’

The Long View