This article discusses how debit and credit cards work, including their pros and cons. It ends with some helpful tips and strategies for responsible card use.

Dimon warned at Davos that Trump's credit card interest rate cap could harm 80% of Americans.

Capital One's acquisition of Brex is the latest deal under Rich Fairbank, a rare founder-CEO of a major U.S. bank, after its Discover Financial deal last year.

Refunds typically take about three business days to appear on your account. However, the time to get a refund on your credit card depends on the issuer and merchant policies. Getting a debit card refund may be slightly shorter – as little as one business day – because the funds are returned directly to your bank account.

Seek out credit cards with no foreign translation or loading fees. They tend to be marketed as travel credit cards. A travel credit card is designed to help you spend cost-efficiently when you are abroad. That’s because, unlike a standard credit card (or even debit card), you won’t be hit by fees every time you use it.

If your credit cards are adding up, taking time to review what you keep and what you cut can save you money and maximize rewards.

Brex reports that U.S. businesses can deduct credit card interest on legitimate expenses, unlike personal card interest, enhancing tax savings.