Bibles, shoes, perfumes: Trump seeks money in “unprecedented” ways for a presidential candidate. As his campaign coffers dwindle and his fortune is threatened, the former president is mixing his businesses with his White House bid.

“There is no precedent for this level’ of business activity during a presidential campaign, Lawrence Lessig, a professor at Harvard Law School, told CNBC, although “the trend has been building for many years” Brendan Fischer, deputy executive director of Documented, a money-in-politics watchdog, agreed.