The Glidepath blog
Plain answers to the retirement questions people ask most, each with a calculator so you can run your own numbers.
How Long Will $1 Million Last in Retirement?
From 11 years to more than a lifetime: how long $1 million lasts at different withdrawal amounts, with the math shown and the risks that change it.
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How Much Do I Need to Retire at 60?
A clear way to size your retirement number at 60: the 25x rule, the seven-year bridge to Social Security, and health insurance before Medicare.
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How to Retire at 55: The Number, the Rules and the Gaps
Retiring at 55 takes a bigger portfolio and a plan to reach your money before 59½. Here's how the Rule of 55, Roth ladders and health insurance fit together.
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When Should You Retire? The Ages That Matter Most
The best age to retire depends on your money and a handful of key ages: 59½, 62, 65, 67, 70 and 73. Here's what each one changes.
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Roth vs Traditional 401(k): Which Should You Choose?
Roth or traditional comes down to one comparison: your tax rate today versus in retirement. Here's how to decide, with the cases where splitting makes sense.
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What Is FIRE? Financial Independence, Retire Early, Explained
FIRE means saving enough that work becomes optional. The math behind it, why your savings rate matters most, and Lean, Fat, Coast and Barista FIRE.
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The 4% Rule, Explained: Is It Still Safe in 2026?
Where the 4% rule comes from, how it actually works, what it assumes, and how a 3.5% or flexible withdrawal plan changes your odds.
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Retirement Accounts Explained: 401(k), IRA, Roth, HSA and More
A plain guide to every major US retirement account: who can open it, how it's taxed, when you can use the money, and the order to fill them.
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