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The Simple Path to Wealth: Key Ideas

Updated October 14, 2026 · 1 min read

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JL Collins explains long-term investing with low-cost index funds in plain language.

The key points

  • Explains diversification and why costs matter.
  • Covers a long-term approach to building wealth.
  • Written in a friendly, letter-style voice.
  • Applies mainly to a US context, so check local rules.

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Bottom line

The step you will probably feel first: explains diversification and why costs matter. Start with one point, check the result after a few weeks, then build on your plan.

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