It used to be that in order to survive, businesses had to sell goods or services above cost. But that model is so 20th century. The new way to make it in business is to spend big, grow fast and use Kilimanjaro-size piles of investor cash to subsidize your losses, with a plan to become profitable somewhere down the road.” From The Entire Economy Is MoviePass Now

There are a few reasons that people initially run their business like this.