If the President wants to win me back he can do one thing. Realize that the Budget authority is how much money Congress allows a federal agency to commit to spend.
He can order all agency heads to spend less and reduce staff by 5-10% of their commitment. There are 62 agencies and programs Trump said he wanted to eliminate. Drastically reduce spending and cut staff in these agencies / programs.
Congress can allocate money, but they can not force him to spend it.
I’ve had similar thoughts. Just because money is appropriated doesn’t mean it must be spent. I could be wrong but it sure makes sense.
You are referring to "Impoundment of Appropriated Funds".
Congress resented Nixon's use of impoundment power and removed it with the Impoundment Control Act of 1974. Not constitutional, IMO and I don't see this or any future president forcing the issue.