Guides

Guides and explainers from FireLine.

November 8, 2026

How Long Until FIRE? Four Levers, Ranked by Impact

A worked example from $50,000 invested shows how saving more, spending less and return assumptions change your time to financial independence.

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November 8, 2026

The 4% Rule vs 3%: What a Safer Withdrawal Rate Costs You

With $40,000 of yearly spending, each withdrawal rate changes the portfolio you need and the years it takes to build it.

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