Using your credit card

Smart credit management is easy with guidance for using your credit card wisely.

Store worker uses a card reader to swipe a customer’s credit card

Where are Discover Credit Cards Accepted?

Learn about where Discover credit cards are accepted to know if Discover Cards are accepted when you shop at gas stations, online, and other retailers.

Three cheerful multiethnic students with backpacks talking and looking at each other Image Source: Shutter Shock

How to Build Credit at 18

Learn how to build credit at 18, including tips on building good financial habits and avoiding common mistakes when establishing your credit score.

6 min read

See if you’re pre-approved for a credit card offer – there’s no impact to your credit to check.

Check now

A frustrated woman looks over her credit card statements.

Earn 5% cashback on everyday purchases at different places each quarter, up to the quarterly maximum when you activate.

Using your credit card

Where are Discover Credit Cards Accepted?

How to Build Credit at 18

Common Credit Card Fraud Alert Triggers

Guide to Paying Your Credit Card Bill Online

How to Combat Inflation

How Do You Check Your Credit Card Balance?

Learn About the Credit CARD Act of 2009

What is Credit Card Refinancing?

Does Medical Debt Appear on Your Credit Report?

Can You Overdraft a Credit Card?

Tips for Traveling Solo

Can You Buy Gift Cards with a Credit Card?

What Does a Negative Balance on a Credit Card Mean?

How to Send Money With a Credit Card

Why Discover?