Yes but you will be limited to some activities if your car is not registerd in the state that you are in at the moment... if you are just visiting then that is ok too!!
A general rule of thumb is to insure your car in the state it is registered in.
The car needs to be registered in the state the owner resides in.
Yes.
Where it is registered.
NO
you only pay taxes in the state the car is registered.
not in any state or thru any insurance company I know of.
A car can be registered and insured by a number of people. Usually they are one and the same. A car can be insured with having it registered to you if you would like to drive it.
Yes.
Yes if you have it registered in Ca
state where vehicle is registered
SD since it is registered.