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How to Invest in Mutual Funds: A Complete Guide

By Matthew Frankel, CFPUpdated Mar 13, 2026 at 6:33 PM EST | Fact-checked by Frank Bass

Key Points

  • Mutual funds pool investors' money into diversified assets for less individual research.
  • Actively managed funds aim to beat indexes, while passive funds aim to match them.
  • Costs include an expense ratio, impacting returns; avoid funds with sales loads.

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