I know almost nothing of startups, but I feel like a non-technical (business) cofounder could still put in a lot of useful necessary work, especially if the com

I know almost nothing of startups, but I feel like a non-technical (business) cofounder could still put in a lot of useful necessary work, especially if the company is just you and the other cofounders. Marketing, promoting, sales, accounting, law, networking, researching... These are all things that I as a developer wouldn't want to deal with, even if I had the time to deal with them.