After Trying $2 Billion Grocery Startup Instacart, I'd Rather Just Go To The Store

Earlier this week, Re/code reported that Instacart, a startup that delivers groceries on demand, had raised $220 million at a nearly $2 billion valuation.  Instacart hires shoppers to buy groceries at local stores and then deliver them to customers within a few hours. Unlike competitors, like Fresh Direct, who keep their own inventory, Instacart relies on grocery stores to fulfill orders. I decided to try out Instacart to see if it lived up to the hype.  To get started, first enter your zip co...