Complex sentence: He created various money-making schemes, such as running an ice cream truck that also sold beer and marijuana and taking the SATs for fellow students (often scoring 2400, a perfect score) for a fee.
Split into simpler sentences: He created various money-making schemes, such as running an ice cream truck that also sold beer and marijuana. He sat the SATs for fellow students (often scoring 2400, a perfect score) for a fee.