I would make sure to do your dd on the founders, especially if it is pre-funding, and make sure they can walk the talk. Do this on your own not over the phone.

I would make sure to do your dd on the founders, especially if it is pre-funding, and make sure they can walk the talk. Do this on your own not over the phone. Also any amateurish moves like asking for NDAs. Or asking you to build their app for them as a work sample. (Literally have had this happen.)