Natasha has been a freelance writer since 2015. She specializes in credit card and credit card rewards content. When not busy writing, she's either dreaming up her next credit card rewards redemption ...

Learn how the previous balance method calculates credit card interest, its implications for cardholders, and why it might not be the best choice for you.

Have you ever wondered how your bank decides how much to charge you on your mortgage or credit card? Have you ever looked at an account statement and failed to understand what all of the jargon meant?

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.

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