Instacart is an Internet-based grocery delivery business started in San Francisco, California by a former Amazon employee by the name of Apoorva Mehta. In May of 2015 Instacart had a valuation of $2 Billion dollars, probably even more now. With this, all said Instacart is currently the leader of grocery delivery.
As an Instacart Shopper, your main job is to pick up groceries from a specific store and deliver it to a specific customer. You are getting paid essentially to be a delivery person who is great at picking out specific groceries. The better you are the better a rating you get, the more tips you make and the more money that is in your pocket.