My money (while I have it) is that this is going to be the most lasting damage of Trump's presidency. Piss off the world and demonstrate we're unreliable economic partners. They don't want our debt anymore and dump their holdings/new purchases at auction. Servicing debt is already around 15% of All federal spending. DOGE targets are nothing in comparison.
Debt can get very expensive, and we've gotten used to paying very little for it. Most people aren't considering how bad this can get - I hope someone with power has been