Making sure you've prepared your in-person pitch is one of the easiest things you can do to give investors a good impression of you and your start up. Preparing includes practicing and anticipating potential questions you might be asked.
allBusiness did an article on 10 Reasons Why your Startup Idea Sucks and Won't get Funded, not having solid answers to investor question is reason #3 on the list.
Questions for Startups
check out the full article on allBusiness, here!