Compound Interest Explained: How Your Money Grows Over Time
Compound Interest Explained: How Your Money Grows Over Time A classic early-start scenario shows why age 22 beats age 35. Someone who opens a Roth IRA at 22 and puts in $200/month might feel like they can barely afford it on top of rent, but it is worth doing anyway. Those $200 monthly contributions from ages 22-35 (just $31,200 total) can be worth over $180,000 at age 42. Money contributed after 35 barely catches up by comparison. That's compound interest: the earlier dollars do almost all the heavy lifting. Compound interest is interest earned on both your initial investment and the accumulated interest from previous periods—it's essentially "interest on interest." This creates exponential growth that can transform modest regular investments into substantial wealth over time. Use our Compound Interest Calculator(/finance/compound-interest-calculator) to see exactly how your money can grow. What Is Compound Interest? Compound interest differs from simple interest, which is...
Investment Basics for Beginners: How to Start Investing in 2025
Investment Basics for Beginners: How to Start Investing in 2025 It's common to spend years "learning about investing" before actually investing a dollar -- reading books, listening to podcasts, analyzing stocks — while the market goes up 47% and idle savings earn just 0.5%. The lesson: you don't need to understand everything to start. You need to start to understand anything. To start investing, open a brokerage account, deposit money, and buy diversified low-cost index funds—that's genuinely all most beginners need. You don't need to pick individual stocks or understand complex financial instruments. Use our Investment Calculator(/finance/investment-calculator) to see how even small investments grow over time. Why You Need to Invest Saving money in a bank account isn't enough. Here's why: Inflation Erodes Cash Inflation averages about 3% annually. A dollar today will be worth only $0.55 in 20 years. | Year | $10,000 Cash (2% savings) | $10,000 Invested...