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How Do Credit Cards Work?

10 min read
Last Updated: October 9, 2025

Key Takeaways

  1. A credit card gives you a line of credit you can use to make purchases up to the limit approved by your credit card company.
  2. You should pay at least the minimum amount due each month on your credit card bill.
  3. Some credit cards offer rewards for eligible purchases, such as cash back or miles.

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