Kevin O'Leary, also known as "Mr. Wonderful," said modern technology has made side hustles easier and more profitable, allowing entrepreneurs to earn an extra thousand dollars a month through content creation and online sales.“Side hustles have never been easier or more profitable. With modern tech, you can make an extra thousand dollars a month if you understand content creation and you know how to sell online,” O’Leary wrote on X.See Also: Shaquille O’Neal Reveals Why NBA Players Struggle Financially Afte ...