I have found a potential team, but...

So here I am again asking for your knowledge and expertise. I am currently taking an entrepreneurship class, and in this class we were all required to write up a two page pitch of a product or service idea. We were then given a certain amount of virtual points that we could use to invest in the projects we found interesting and profitable, and the top 2 would have to pick teams for a mock startup. My project came in first, and after responding to some grilling questions from the professor today, I was approached by 3 other students. These students expressed great interest in being part of my team, which is great, but I soon realized that they wanted to create a real team to pursue the development of my idea. I was flattered and excited, and we have exchanged emails to talk about it even further, but after giving it some thought, I grew a bit apprehensive. I'm not sure if these folks are rockstar hackers, or have the strength to endure a startup. I don't want to jump into this on a high