In his most recent financial disclosure, Trump reported hundreds of millions in income from his various properties, including golf clubs and his Mar-a-Lago estate and club. He has also earned millions from other business ventures, including trademarking merchandise like watches and fragrances.

Donald Trump's visit to Scotland's picturesque Turnberry underlines the US president's long-held desire to host golf's illustrious British Open at the famous course, despite numerous stumbling blocks.