Obama figured out how to fund all the things that he wanted to do off-book, Trump certainly can as well.
Donald J. Trump on Twitter
We will be forced to close the Southern Border entirely if the Obstructionist Democrats do not give us the money to finish the Wall & also change the ridiculous immigration laws that our Country is saddled with. Hard to believe there was a Congress & President who would approve!
https://www.oann.com/u-s-border-chief-unveils-plans-for-border-wall-funding/