You will get the best rates with specialized carriers who will want to take most all of your policies. They will want to make sure your high value car is not a daily driver. They may want your homeowners too, or personal liability. My agency of the last 15 years struggled badly when my 570 arrived. Agent bound the policy and I got it registered, 2 weeks later I got a call not to drive it, not insured. They lied to cover their ass as they bound the car on their dime and did not have an underwriting carrier who would take it. Wanted to put me in an assigned risk pool for $6K+ year just for that car. Then insured my 07 GT3 RS for 50k. I had to dump them.
As you track out onto the straight keep the loud pedal mashed to the floor. Hit the brakes when you see God.