The number is roughly right and the spending was extraordinary: FEC filings show Musk poured at least $277 million — and by some year-end tallies close to $290 million — into backing Donald Trump and Republicans in 2024, almost all through his America PAC. That very likely made him the single largest donor of the cycle, and it's fair to debate whether megadonor spending is healthy for democracy. But "bought the election" is a causal claim no evidence supports. Large donors lose constantly, ad spending has diminishing returns, and 2024 turned on inflation, immigration and incumbency far more than any one checkbook. Musk's spending was also legal under current campaign-finance law and First Amendment precedent; his voter-registration giveaways drew legal challenges but were allowed to proceed. So the honest verdict is mixed: the eye-popping sum is real and a legitimate subject of concern, but the claim that money alone delivered the outcome is unproven and almost certainly overstated.