Credit cards how-to guides

How should I handle charges on my monthly credit card statement for services I did not sign up for?

I am tired of receiving phone calls asking me to apply for a credit card. Is this legal? What can I do?

How do I remove an authorized user from my credit card account?

How can I get a refund on a product or service I purchased with my credit card?

How do I dispute a charge on my credit card bill?

What should I do if I can’t pay my credit card bills?

I want to close my credit card account. What should I do?

How do I send my credit card company a billing error notice?

I am tired of receiving credit card mailings. What can I do?

The card issuer increased my interest rate on my existing balance. Can they do that? What can I do to get the rate back down?