Anyone who makes a MAGA buck has to kick back to Trump. Dear Leader wants his cut: “It’s my fucking money!” the 2024 Republican presidential frontrunner privately vented in October, referring to an alleged sum in the tens of millions of dollars, a source with direct knowledge of the matter tells Rolling Stone. Trump wasn’t talking about a business deal. Rather, he’s been grumbling about money donated to a think tank his former staffers and allies founded in 2021 to “advance the America First agenda.” For several months now, according to three people with knowledge of the situation, the former president has complained to an array of confidants and Republicans about the millions raised by the America First Policy Institute, a MAGAfied think tank launched near the start of his post-presidency. The nonprofit is populated by several former high-ranking Trump administration officials, including Larry Kudlow, Rick Perry, and Linda McMahon, and it’s led by Brooke Rollins, who served as a top White House domestic policy aide to Trump. AFPI is one of several Trump-aligned organizations and think tanks working to craft an intellectual framework for hardline policies, ranging from voter crackdowns to potentially invading Mexico. In the ex-president’s mind, Rollins was making a “killing” off of his name, sources recount, and was stiffing Trump. “It’s not right,” the former president has groused in recent months. Letting Trump wet his beak with this money would likely be illegal but needless to say, he doesn’t care about that: AFPI is a tax-exempt, educational nonprofit and is expressly barred under IRS rules from spending…