Credit Review Questions

I have great credit 755 and want to get a secure credit card, would it hurt my credit?

Credit card with only 300 limit have two other credit cards that use lot more often and.

My credit card with only 300 limit have two years and havent used it would affect.

For about paying bills on time and im thinking of closing it would affect my credit cards that use lot more often and im thinking of closing it would.