There was a time when singing great Michael McDonald gave being a drug dealer a shot, and it failed pretty quickly....in his book, "What a Fool Believes," McDonald talks abut his days in Steely Dan's touring band, when he and Steely Dan' s Walter Becker (when both of them were cocaine users) decided they would buy very pure cocaine and quietly sell some to friends, and would keep some for themselves. As will happen with druggies, the two of them found themselves doing most of the drug, and selling next to none of it! Here's his recounting of those days: https://ultimateclassicrock.com/michael-mcdonald-steely-dan-cocaine-drug-dealing/