This is great! Request - could you add the ability to choose your city and normalize the others? Example, I live in NYC, and I want to consider a move, how much

This is great! Request - could you add the ability to choose your city and normalize the others? Example, I live in NYC, and I want to consider a move, how much cheaper is it? So if NYC cost is normalized to 1, then I can quickly understand the relationship to other places.