1) Why is it an excellent idea for anyone, to ALWAYS pay their credit card bill off, at the end of each month

2) Describe what kind of interest (simple or compound) should you look for in an investment, state why.

3) Lan-Sun just received a notice indicating that his credit limit has gone up from $1000 to $3000. When he read the notice, he replied “SICK-MAN, now I can buy more stuff”- Good or Bad? Explain.

For question one, I think it is to keep a good credit history. For the rest of the questions I'm just now sure what the answers are

1) Even if you pay more than the minimum, the interest will eat up whatever advantage you have in reward points or more.

2) Google simple vs compound interest.

https://www.google.com/search?client=safari&rls=en&q=simple+vs+compund+interest&ie=UTF-8&oe=UTF-8

3) If he cannot pay the credit card bill completely each month, he will just get himself more deeply in debt.