Hi there, @edtyli9… years ago, a co-founder and I got accepted into a local incubator, and while it certainly wasn’t on the same level as YC, a question they asked has stuck with me to this day.
During the interview, one of the members of the panel said something along the lines of, “You can talk to us all day long about your idea, the progress you’ve made, the market you think your idea serves, how big that market is, and how you are going to take that market by storm,”, and then they said/asked," but tell me how you know beyond a shadow of a doubt that anyone other than you and perhaps your immediate family, friends, and/or colleagues is going to actually use your product and, more importantly, pay to use your product."
Fortunately, we had a good answer to that question, but like I said, that one has stuck with me through the years because if we had um’d and ah’d our way through a poorly thought-out answer, I’m quite certain we wouldn’t have been accepted into the program.
Anyway, maybe just something to think about there. Congrats on your interview… best of luck!
Best…
Mike