4. Enough with the K already! The Kardashian Kard was a business idea developed by Kim, Khloe and Kourtney Kardashian. As you already know, Kardashian sisters are generally successful at their businesses that usually involve cosmetics and beauty products, but their credit card ideas was just… awful. The three famous sisters launched the card that was geared toward financially unsophisticated young adults. In short, the idea was unclear, the fees were exorbitant and the Kardashian Kard was done less than a month after it debuted.