There are tons of success stories online about how people use Poshmark to make money every day. Some people make a few hundred dollars a month, while others have made $5000 in just 30 days on Poshmark.  As with most other businesses, how much you make on the platform depends on many factors, such as the product you’re selling online, how in-demand it is, how big your audience is, and how good you are at marketing your items to your audience.