I guess not everyone read my original post in its entirety.
YES, my vehicle already has a brake controller.
NO, my state does not have a requirement for trailer brakes unless the trailer is gooseneck/5th wheel or carrying 3000lbs or more of hazardous material. Therefore, NOT required for me.
Hear is something interesting just for discussion. If somebody from Missouri that isn't required to have trailer brakes tows into Iowa that requires trailer brakes, breakaway breaking, and weight equilizer with sway control for trailers over 3000 what states laws would apply from a legal standpoint.