Poshmark clothing resellers are becoming Instagram influencers to increase sales and make money from brand sponsorships

· Poshmark is a social shopping app where users can resell clothing from their own closets or thrift stores. Some sellers earn tens of thousands of dollars in sales.
· Some Poshmark resellers are using social-media apps like Instagram, YouTube, and TikTok to not only grow their audiences, but also drive sales.
· "I think I...