Because he's an easy mark.
Oh!....uhh... . I mean.....uhh....he's a great negotiator! Yeah...that's it....
Edit: I mean honestly, if I could get access to the President and I had a project that I felt was important enough to overlook my personal ego, I would meet with Trump ASAP. I'd tell him all the things he'd like to hear and even offer to put his name on it somehow. There is no way he wouldn't give you the money.