Investment guides
In-depth, plain-English guides on the core concepts behind smart investing. No jargon, no product pitches, no paywalls.
Compound Interest Explained: The Most Powerful Force in Investing
How compounding works, why starting early matters more than investing more, and real examples at every contribution level.
Dollar Cost Averaging: A Complete Guide for Beginners
What DCA is, when it beats lump-sum investing, how to set it up, and the psychological advantages most people overlook.
Understanding Investment Returns: Total, Annualized, and Real
How to measure what you actually earned, why annualized returns matter, and the critical difference between nominal and real returns.
Lump Sum vs. Dollar-Cost Averaging: Which Actually Wins?
The research says lump-sum wins about two-thirds of the time, but DCA still earns its keep. When each approach makes sense, and the psychology behind the choice.
ROI vs. Annualized Return: Why the Difference Matters
A 50% return over 3 years and over 15 years are not remotely the same bet. How to use annualized return (CAGR) to compare any two investments fairly.
How Inflation Quietly Eats Your Investment Returns
You can earn money every year and still lose purchasing power. How to think in real returns, what history shows, and which assets keep up with inflation.
Dividend Reinvestment (DRIP): How Automatic Compounding Builds Wealth
Reinvested dividends buy more shares, which pay more dividends. How DRIP compounding works, a 30-year example, and the tax details to keep in mind.
The Rule of 72 and Other Mental Math Every Investor Should Know
Divide 72 by your return to estimate doubling time, in your head. The Rule of 72, how accurate it is, and the related shortcuts worth memorizing.