The outspoken businessman added another string to his money-making bow by signing up to the video messaging platform Cameo. Although his account is listed as temporarily unavailable, he was charging fans around $1,500 (£1.2k) for live video calls.

Donald Jr has also written two books, including the 2019 New York Times bestseller Triggered: How the Left Thrives on Hate and Wants to Silence Us. This was followed by the self-published Liberal Privilege: Joe Biden and the Democrats' Defense of the Indefensible in 2020, which retailed at $29.99 (£24.85) a copy. And he's lately taken his interest in publishing to the next level, starting a publishing house with Republican operative Sergio Gor. They currently sell just six books, but the venture has proved quite the money-maker...

How Donald Trump's children make and spend their money