Should I switch my auto insurance this early?

What is broad-form protection for car  insurance ?
"I'm a 21 year old femaleCheapest motor insurance in houston tx?
How much could  insurance   charge to get a 16-year old child operating a BMW?
Is it equally as secure to buy and is it as good.
"What're some what to keep it as cheap that you can? I know going for a security school may. If which means anything I`m 19 years of age