You never know what is going to happen when big ideas and big money collide.

As we learn in this episode, pitch meetings can be pretty unpredictable. A simple word or phrase can change everything on a dime — sometimes for the best and sometimes for the worst. Our contestants also get a lesson in long-term success from investor Marc Randolph, who has this to say: "Customers shouldn't come and go, they should come and stay. So look for ways to turn your customer base into a community with social media, in-person events or inviting customers to join an advisory board. You will not only gain valuable insights, but you will turn your customers into your no. 1 fans."

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