He doesn't want a deal for the US, he wants to personally profit from it.
This. It's why "unitary executive" is so attractive - he can extend his tendrils into every nook & cranny of policy (foreign and other) to personally monetize it.
But make a deal on what? He literally signed the current deal we have with Canada?
That makes me think that what he really wants is either a bribe
Donald has made more money on the presidency than every president before him combined, then add an order of magnitude of wealth on top of that.
It's the Putinification of the Presidency playbook. Too big to jail.