Would you not get insurance for flea market?

"Can anybody give mean estimate of what insurance on the Chevy Cavalier will be for an 18 year old girl who lives in Denver? Our little sis is in a good place cuz my parents are not helping her with paying for a-car or insurance "I'm only got my license and 17. Our parents are currently calling their automobile insurance firm to place along me. Do I've to wait for your card to reach after calling inside the mail or may I travel