Stoked by billion-dollar biotech startups, daily media coverage of groundbreaking studies, and an ongoing mental health crisis, public interest in psychedelics is booming—but legal access to these drugs is unlikely for another decade. In the meantime, community circles, churches, pop-up shops, and Etsy stores are quietly meeting consumer demand for recreational and therapeutic psychedelics. This unregulated economy poses its own set of challenges. Aspiring entrepreneurs and psychonauts need to grasp the dynamics of the underground psychedelic market if they want to navigate the legal one.