This is probably the wisest parsing of the correct situation. If you want to work with your friend or another person and all they have is an idea, then include

This is probably the wisest parsing of the correct situation. If you want to work with your friend or another person and all they have is an idea, then include them and help them learn new things along the way. It seems to me the skill-set you start with at the beginning of a startup will be significantly smaller and narrower than what you have at the end of a startup.