Compound interest, often dubbed the eighth wonder of the world, wields surprising power in personal finance. With time, even modest savings can grow exponentially, as interest earns interest on itself. This principle underpins the importance of starting early—even if it's with small amounts—when saving for retirement or other long-term goals. A dollar saved today is much more than a dollar tomorrow; it's a seed that grows into a robust financial tree. Now, share your own insights or an a-ha moment you've had about money!