The company will aid the U.S. government's investigations into Russian election interference.
Would-be candidates are allowed to "test the waters" of a potential campaign, but one group says Kid Rock has crossed a line.
Someone formed a group to support Dwayne Johnson's presidential candidacy, though it's not clear if Johnson himself is actually on board.
The watchdog groups say Tom Price broke the law by using campaign funds to secure a job after Congress.
Federal Election Commission filings show that President Trump's re-election campaign has spent close to $500,000 at Trump's hotels and resorts.
President Trump can accept donations because he already launched his 2020 bid.
The FEC says roughly 1,100 donations to Donald Trump's campaign were from unregistered donors or exceeded the legal limit.
Over $2.6 billion went to the presidential race alone, according to the Center for Responsive Politics.