Kyle Shirley put off a marketing plan for his roofing company after insurance premiums for his work trucks shot up 55%. Becky Brinkerhoff’s insurance bill has doubled and she is checking with other companies for a better deal. Stephanie Rankin will likely reduce the coverage on one of her vehicles to help cover the 44% increase in her insurance rates. The three Denver-area residents are among Coloradans reeling from rising auto insurance costs on top of higher grocery bills and other expenses.