Every year, thousands of Americans lose money participating in multi-level marketing (MLM). So, last year, when a new business idea that promised to correct MLM's sins bubbled up on Instagram and TikTok, a lot of people hopped off the MLM train, and onto this new one, lured by the promise of a low-lift and lucrative side hustle.

This new business idea is called "master resell rights." But what exactly is it? Where did it come from? And does it actually solve any of MLM's problems? Endless Thread investigates.