Why do you think wanting a Constitutionally limited FEDERAL government means you don't want state police?
Why do you think wanting a Constitutionally limited FEDERAL government means you have to change cars?
Why do you think wanting a Constitutionally limited FEDERAL government means you don't want the FED Govt. to do its constitutional duty to "fix the Standard of Weights and Measures" as it clearly states in Article I section 8 of the Constitution?