Kaitlin Kao created her Poshmark closet when she was 16 years old, had no reselling experience, and a closet full of clothes that she never wore. After spending countless hours navigating the platform, making mistakes and learning from them, and discovering how to maximize profits, Kao has curated a guide for curious entrepreneurs who are motivated and looking to build a profitable business on the leading marketplace for fashion. In this complete guide, you will learn numerous Poshmark tips and tricks that have helped Kao land features in Business Insider and CNBC, speak at Poshmark’s annual PoshFest, and generate five figures that have paid off her tuition at the University of California, Los Angeles. Overall, whether you want to clean out your closet, make some side cash, or start a profiting business, this guide will help you unlock your full Poshmark potential.