Knowing how credit cards work can save you headaches and cash. In a nutshell, credit cards provide access to a revolving line of credit that allows you to make purchases that can be paid off later.

APR is deliberately confusing and compounds daily. Read disclosure boxes, use 0% offers strategically, and make multiple monthly payments to minimize interest costs. When you see "18.99% APR" ...

More than 8 in 10 people have successfully negotiated a lower APR. Here's what to say when you call your bank. My credit score and income are better than ever, so I called my bank to ask for a lower ...

Explore the differences between loans and lines of credit, including usage, repayment, and interest rates to make informed borrowing decisions.