But there's a first time for everything. First, some background. There’s a new tech start-up called Jet.com. Maybe you saw it on the cover of Bloomberg Businessweek. It's a membership-only online shopping club, similar to Costco, that says it will be able to charge between 10 and 15 percent less than other e-commerce sites by, essentially, cutting its margins to nothing. Jet hasn't launched to the
![This guy used an insane get-rich-quick scheme to become a start-up millionaire in three weeks](https://cdn-ak-scissors.b.st-hatena.com/image/square/9c74252b0a4474646b4b62800da7cc2a3a407439/height=288;version=1;width=512/https%3A%2F%2Fi.kinja-img.com%2Fgawker-media%2Fimage%2Fupload%2Fc_fill%2Cf_auto%2Cfl_progressive%2Cg_center%2Ch_200%2Cq_80%2Cw_200%2Fguli6kfxfg1sgjwfade4.png)