It's worse than that. He is so completely off that he thinks this means US builders will chose to buy US lumber instead and that will work out positively for everyone in the US.
If he isn't stuffing his pockets, he's leveraging the populist playbook. In this case, 'scapegoating'.
But let's be honest, he likely has a huge amount of debt. Before he came into office he almost certainly fixed the interest on that debt knowing he could blow inflation through the roof and inflate it away.