T-rump rakes in big bucks whenever he stays at one of his properties and sticks the public with the bill. Think of all the people that tag along, including cabinet members, support staff, "special advisors" (family), secret agents, etc. All at rack rates (no discount).

That adds up to 100's of millions(!) going into Donald's pockets every year.  And he promises to donate $1 million.  What an a$$.