Question

What are credit cards? Why do people use them

Answer 1

A secured card requires a cash deposit, usually equal to your credit line. The deposit protects the card issuer in case you don't pay your bill. Since the deposit reduces the risk to the issuer, credit card companies are more willing to give these cards to people with bad credit or no credit.

Answer 2

What are credit cards? - A small plastic card issued by a bank, business, etc., allowing the holder to purchase goods or services on credit.

Why do people use them - When used responsibly, a credit card can help you build a good credit history, allowing you to get loans at favorable interest rates, cheaper insurance and even a new cellular plan. Credit cards can also help you earn rewards on your everyday purchases and protect those purchases in case of theft or damage.

(Google)