Guides & Insights
In-depth articles to help you make better financial decisions — backed by the same math our calculators use.
Trump Accounts vs. 529 Plans: Which Is Better for Your Child?
The new government-seeded Trump Account offers tax-free growth for kids — but 529 plans have a 30-year head start. Here's how to decide.
→ Trump Account CalculatorWhat Is a Trump Account? Everything Parents Need to Know
A $1,000 government seed, $5,000/year in contributions, and tax-free growth to age 18 — here's how the new children's savings account actually works.
→ Trump Account CalculatorDollar-Cost Averaging: Does Investing Every Month Actually Work?
DCA is the default investing strategy for most people — but is it actually optimal? We break down the math and when it beats lump-sum investing.
→ Compound Interest CalculatorThe Real Power of Compound Interest Over 30 Years
Starting 10 years earlier can double your final balance. Here's the math — and how small monthly contributions change everything.
→ Compound Interest CalculatorIndex Funds vs Picking Stocks: The Evidence After 30 Years
Individual stock picking is exciting. But three decades of data are unambiguous about what most investors should do with their money.
→ Compound Interest CalculatorRoth vs Traditional IRA: Which Wins for Your Situation
The Roth vs Traditional question comes down to one prediction: will your tax rate be higher now or in retirement? Here's how to decide.
→ Compound Interest Calculator