If you remember the time before corona you would know. I keep it simple for you, Trump's economic program has been very simple. It's an attack on taxes and regulations with an extra dose of spending on infrastructure and the military.
Every bit of which is wrong for the world we live in.
We need tax revenue because our debt is ballooning to levels other countries have found to be unsustainable as a percentage of GDP. We need regulations because of COVID, and because we don't want to be drinking toxic water next to lakes that are on fire. I'll approve of greater military spending when the generals figure out that the next war is not the Cold War, that the adversary is going to make a play for our command and control infrastructure and software, and that they don't want to lose that portion of the fight.
Finally, a border wall is not infrastructure. It's a wall, and a fairly pointless symbol at that. Our real infrastructure - our highways, bridges, train stations and schools - are crumbling. Trump could pay to fix those things...if he were willing to raise the revenue in the form of taxation.