Let (s)he who is without sin, cast the first stone...
She can set up a lot of tents for the illegals and Bill can contribute some of his speaker's fees to feed the folks and pay for the water for the showers and all. The Secret Service agents can provide the law and order.
The Clintons probably did the same thing for the poor folks in Arkansas. (Though Bill didn't get much for giving speeches then, so Hillary probably spent the money she got for serving on the Wal-mart Board.)