The word business doesn't really mean much, and idea means less. You need to be able to do something very specific in the world. Being a product manager is something you can teach yourself. If you're not willing to put a hundred hours or two hundred hours into adding one of the scales i mentioned, no code, scripting and building n v ps,. being able to raise money. Jacob by emal says, if you had to rank these three signals as most t least important for a start of success, ho rank them. A beautiful, world class designed product without a massive market is a niche product. O niche products are not bad. Those can be businesses worth ten to a hundred...