"... That’s the finding of recent immigration studies showing the $18 billion wall President Trump plans to build along the southern border will pay for itself by curbing the importation of not only crime and drugs, but poverty. ... "
Good idea.
Reduce the incentive to come here, seeing they won't be living off the gub dole.
https://nypost.com/2018/03/10/cutting-welfare-to-illegal-aliens-would-pay-for-trumps-wall/