Musk and Trump traded scathing missives on social media in early June. Trump has previously threatened to end government contracts with Musk's companies, saying during their June fallout that "the easiest way to save money" would be to "terminate Elon’s Governmental Subsidies and Contracts."

The tech billionaire warned that members of Congress who campaigned on reducing government spending but vote for Trump’s bill “will lose their primary next year if it is the last thing I do on this Earth.