[cloudmountain]

Mexico NEEDS gringo dinero, either at tourists, English teachers or owners of casas in those gringo areas:

https://internationalliving.com/countries/mexico/one-million/
Those gringo retirees hire Mexican maids, cleaners, cooks, gardeners and chauffeurs.

[spintreebob]

Gringo money is dwarfed by money Mexicans in the US (legal and illegal) send back to family in Mexico.

[a fool in paradise]

Mexico gets gringo dollars (billions of them) wired home from transient workers in America.