You can have them pull a little carriage if you spend about 3 months training them to deal with the sound behind them and harness.
I have family that tried this because they “gOt a gUd dEaL!” on a wagon with car tires (part of their apocalypse prepping stuff) and ended up getting a mule because none of their 3 horses could stand the wagon.
Oh, he’s banking on society collapsing. That’s what his Praxis network-state-city is about.
If you’re not familiar with Curtis Yarvin, he’s the crazy glue holding it all together. Get deep into that mess, it’s what happens after Project 2025 runs out of ideas.