Compound Interest Explained: How Your Money Grows Over Time
Compound Interest Explained: How Your Money Grows Over Time When I was 22, my first boss told me to open a Roth IRA and put in $200/month. I thought he was crazy — I was barely making rent. But I trusted him and did it anyway. Those $200 monthly contributions from ages 22-35 (just $31,200 total) are now worth over $180,000 at age 42. The money I contributed after 35? It's barely caught up. 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 calculated only on...
Investment Basics for Beginners: How to Start Investing in 2025
Investment Basics for Beginners: How to Start Investing in 2025 I spent three years "learning about investing" before I actually invested a dollar. I read books, listened to podcasts, analyzed stocks — and watched the market go up 47% while my money sat in a savings account earning 0.5%. Here's what I wish someone had told 25-year-old me: 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...