Yes, KEEP THE PROMISE.
He got the money to plan the wall and he ran a competitive contract operation to select the wall design and cost. He has the money to shore up the bad parts of the current wall that have to be rebuilt. He’s getting a billion or so more to add more to the wall next fiscal year. That leaves two billion he still needs for the wall and there is more than one way to skin a cat. He’s got at least four years.
For example, building the remainder of the wall can come from agreements with Mexico and programs to stop the flow of drugs.