FIREnomics Weekly

FIRE math with the spreadsheet open

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Practical financial-independence analysis: savings rate, index funds, the 4% rule and withdrawal strategy, argued with expected-value math and sequence-risk checks. Recent issues tested whether the 4% rule breaks over 50-year retirements, priced the 9% dividend-yield FIRE trap, and ran the EV math on $997 guru courses versus 15 years of index returns.

Featured Issue

Are Guru Courses Worth It? The Expected Value Math

Are guru courses worth it? The expected value math says usually no. We compare $997 tuitions to 15 years of index fund returns and give a strict buy rule.

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