Discover cards are currently not available on CNBC Select and links have been redirected to our credit card marketplace where you can review offers from other issuers like American Express or Chase.

Below, Select takes a look at what a credit card sign-up bonus is ... you pay off any large balances quickly so you don't accrue interest that offsets the value. Here's some math to show how ...

Credit card interest rates have risen quickly since 2021 ... card balance that's seriously delinquent continues to grow -- a sign that Americans are still leaning on their credit cards to cope ...

How are credit card rates set? The typical credit card ... Essentially, the federal funds rate is the interest rate that banks charge each other for short-term (generally overnight) loans.