Many states, counties and cities in the United States already leverage their own income taxes in addition to federal income taxation. How about we let the same states, counties, and cities decide if they want to provide their own basic income addendum. And they might need to if the BI amount is great enough that a janitor in Seattle, or a maid in SF no longers sees a reason to live anywhere near a big city for a job that barely covers their financial needs, needs imposed on them by living in a big city.