Golden words my FRiend.
Only an idiot tries to forceable deport 12 million people.
Specially if they don’t want to go.
That said, if you remove any incentive for illegals to be in America, they WILL leave of their own accord (and be grateful for any assistance in doing so). Remove their governmental assistance, deny their children free schooling, stop any free medical care, etc, etc, etc... and they will no longer wish to be here.
And then they’ll walk back across the border to a country that allows them an easier time in finding work, food, education, etc.
The few remaining illegals would be the ones that would be the ones that had jobs that paid enough for them to have health insurance and private schooling for their children. Exactly the form of immigrant America needs - hard-working, educated, and successful.
And it doesn’t cost much, as it reduces the governmental outflow of cash and benefits.