How much should I expect my homeowners insurance to cover?

I am generating around 2K per month... I do want to fund a CL600. Each goes for about 15K-20K now... What I'm thinking is just how much it'll charge monthly plus  insurance  ... I am 19 years of age by the way
Truck prices have plummeted within the last year. Can extensive and crash insurance costs drop this season being a reflection of less threat for the insurer?
I'm currently protected by statefarm and 19 years-old. They discovered a disobeying stop sign ticket this past year that I obtained