Investing Guides
Before choosing a specific fund, it helps to understand the mechanics that drive every long-term investing outcome: how compound growth actually works, what dollar-cost averaging means in practice, and how to separate genuine investment questions from common misconceptions. These guides focus on the underlying concepts, illustrated with worked examples you can check yourself.
Should You Wait to Invest in VOO? What Price Targets Tell You
Analysts' S&P 500 price targets often disagree widely. Here's what that means if you're waiting to invest in VOO, and what waiting has actually cost.
The VOO Investing Experiment: Testing 3 Common Assumptions
Does starting a few years earlier really matter? Is a lump sum better than investing monthly? We ran the math on three common VOO investing questions.
VOO and QQQ Overlap: How Much Are You Really Diversifying?
VOO and QQQ share many of the same mega-cap holdings. Here's why the overlap exists and how to think about owning both funds in one portfolio.
How Does Compound Interest Work?
A plain-English explanation of compound growth, with a small worked example you can check by hand, and why it matters more the longer money stays invested.
What Is Dollar-Cost Averaging?
Dollar-cost averaging means investing a fixed amount on a fixed schedule, regardless of price. How it works, illustrated, and how it compares to a lump sum.