He makes far more from his "defense fund" to help him with his legal expenses. It does not have to go to the Republican Party or any specific purpose.
[h=1]Trump’s political operation raised over $500 million after 2020 election despite increased scrutiny[/h]https://www.opensecrets.org/news/2022/09/trumps-political-operation-raised-over-500-million-after-2020-election-despite-increased-scrutiny/
[h=1]The Jan. 6 committee says the Trump campaign ripped off donors. But was it illegal? (250 million)[/h]https://www.npr.org/2022/06/16/1105279623/jan-6-committee-trump-campaign-legal-defense-fund