How resale app Poshmark can turn a sideline in selling second-hand fashion into a full-time job that pays US$100k and more

• Poshmark users start as students and homemakers, and some are able to grow into a full-time business earning six figures or more in annual sales
• One user made US$127,000 in sales last year, and another has made US$1 million since starting her Poshmark shop and e-commerce site