If you need to carry a credit card balance, your APR determines how much interest you'll pay on your debt. Tiffany Wendeln Connors was a senior editor for CNET Money with a focus on credit cards.

You're probably scanning this and thinking, "math, formulas, time to skip this article." I don't blame you. For anyone who has actually looked at Regulation Z's Annual Percentage Rate formulas and ...

Looking for a way to track your high-altitude balloons but don’t want to mess with sending data over a cellular network? [Zack Clobes] and the others at Project Traveler may have just the thing for ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Thomas J Catalano is a CFP and Registered Investment Adviser with the state of South ...

If you're shopping for a new or used car, you've hopefully done some calculations to figure out exactly how much car you can afford. But have you considered the cost of your auto loan? There are lots ...

Looking for a way to track your high-altitude balloons but don’t want to mess with sending data over a cellular network? [Zack Clobes] and the others at Project Traveler may have just the thing for ...

A good APR varies based on your creditworthiness and the type of card you have. Many or all of the products on this page are from partners who compensate us when you click to or take an action on ...

Editor’s Note: This article contains updated information from a previously published story. When you don’t pay your credit card balance in full by the end of the billing statement period, you’ll most ...