Chapter 03Money & Finance

What is an index fund?

A fund that mirrors a market index (like the S&P 500) instead of trying to beat it. Low fees, broad diversification, and consistently outperforms most actively managed funds over long periods.

Follow-up questions

S&P 500 vs Total Market?

Both are fine. Total Market adds small and mid-caps; historically the difference is small.

Best index fund brokerage?

Vanguard, Fidelity, and Schwab all offer zero-commission index funds with tiny expense ratios.

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