I quit my job to take another job. I need health insurance for 90 days before my new coverage kicks in.?

Is it under 3000 Since I could easily get one next year I'm 16
I keep trying to find a cheap car  insurance   as a new driver however is not nonviolent 3000 lbs.
"Icant get it by tomorrow although i know you will need it. Is it okay since they possess the info saved in the computers