At this point I regard the $165 billion figure (ballpark) that I saw for deporting illegals as anti-Trump propaganda. And when I started scratching for welfare expenses for illegals, you get all kinds of third-party figures, no official government numbers.
But I the highest third-party figure that I saw for annual welfare expenses for illegals, unconstitutional imo, is $346 billion. And that page is dated for 2008.
Staggering Cost Of Illegal Aliens In America
It was a rhetorical question.