I'm guessing, he'll stop paying his workers, surround the factories with barbed wire so they can't escape and tattoo numbers on them to easier keep track of what they are doing.
I'm calling it. In 2 months he will be proudly wearing a toothbrush mustache. And the headlines will say "Musk is brining back Charlie Chaplin's mustache".
I would like to refer You to B Dylan Hollis. The guy has made cakes out of canned beans, avocados and tomato soup. They supposedly came out delicious.