How much do insurance rates go up after a minor claim?

I'm contrary to the training of applying credit ratings (i.e. insurance scores) to choose auto insurance premiums. Does anyone know of the business while in the U.S. that does not utilize the training?

What is the best/ cheapest car insurance for highrisk people?

Why won't my insurance company I'd like to transport our No Claims Discount to a different auto/plan?

Could I continue my dads insurance ?

"the 5 years have now been for business cars on my spouses policy although I have been operating for over 20 years. Before I'd full no claims but dropped them even as we lived on the 3-year function deal