Selling on Poshmark is easy for beginners and experienced sellers alike. Beginners can use Poshmark to make some extra cash by decluttering their closets. Beginners can get started selling on the Poshmark app by creating an account and setting up their Poshmark closet. Once the account is set up, beginners can start listing their items on Poshmark by posting photos of the item and providing a description of the item, size, and condition. When buyers purchase items, all sellers need to do is ship the items using Poshmark’s prepaid shipping labels within three business days of the sale. Once buyers mark it as delivered, beginners will receive the money for the item.