Interest is the amount of money you must pay to borrow money in addition to the loan's principal. It's also the amount you are paid over time when you deposit money in a savings account or certificate ...

Matt Webber is an experienced personal finance writer, researcher, and editor. He has published widely on personal finance, marketing, and the impact of technology on contemporary arts and culture.

“Compound interest is the eighth wonder of the world. He who understands it, earns it … he who doesn’t … pays it.” This is a famous quote commonly attributed to Albert Einstein, but fortunately, you ...