The endgame Phase I, is to ground him, and the campaign/plane.
Be prepared to offer transportation, and fine housing in your area for his upcoming stops.
Have a prepared on site mini-rally before his main rally.
Rally any and all his train stops if necessary.
Scorched earth. Bring it.
Get a grip that isn’t going to happen. She might take that property but so what. Now the question is this, on the deadline I think he will come up with the funds and stick it to her.