Cities price out people/businesses all of the time. Some more expensive service fills the void. How many flea markets exist in those big cities compared to th

Cities price out people/businesses all of the time. Some more expensive service fills the void. How many flea markets exist in those big cities compared to the past for an obvious example. The pool of people willing to work minimum wage is decreasing in those cities. Other things like migrant workers and mass immigration are filling in at lower wages for now.