Steven A Tenaglia

  • How Time Horizon Affects Investment Returns

    What 150 years of S&P 500 data shows about investing time horizons

    Feb 24, 2026

  • When "Buy Nice or Buy Twice" Breaks Down

    A simple model of price, quality, and longevity shows when paying more really lowers long-term costs—and when it doesn’t.

    Dec 22, 2025

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