Hack 66 · Smart Investing for Beginners
The Simple 3-Fund Portfolio
The three-fund portfolio holds one domestic stock fund, one international stock fund, and one bond fund, and nothing else. It delivers broad diversification at very low cost, and it tends to outperform more complicated strategies over long periods precisely because there is nothing to tinker with. It is the default answer for people who do not want investing to be a hobby.
How to do it
- Choose low-cost broad index funds for domestic stocks, international stocks, and bonds.
- Pick an allocation between them that matches your timeline.
- Rebalance rarely, and otherwise leave it completely alone.
What it typically saves
Broad diversification at minimal fees, with nothing to manage.
Questions people ask
Only three funds is enough?
Those three cover most of the investable market. Additional funds usually add overlap and complexity rather than genuine diversification.
How do I split between them?
Bond weighting generally rises as your timeline shortens. The stock split between domestic and international is a matter of reasonable disagreement.
How often should I rebalance?
Once a year is plenty, and many people use a drift threshold instead. Frequent rebalancing adds cost and rarely adds return.
Go deeper
This is the short version. The full walkthrough lives in Invest Smart, Pay Less, book 4 of The Everyday Money Upgrade — where this hack comes with how to pick the specific funds, allocation guidance by age and timeline, and a rebalancing rule that keeps you from fiddling.
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