From today’s electoral-vote.com
I shoulda seen this

…, we all know the 5% is not for his campaign, it’s for his legal fund, and he’ll do whatever he can to help pay his lawyer bills.

All of this said, it does not seem that Team Trump has thought through the campaign finance implications of this. If someone donates the maximum to the Trump campaign, and then donates to, say, Matt Gaetz, and then Gaetz kicks 5% of that to Trump, that is illegal, since the donor would be exceeding the legal limits. You’d think that this week, of all weeks, the former president would be mindful of the risks of mishandling campaign funds. But apparently not.