Startups are valuable when they make money, and they don't make money because of the idea. They're all about the people: the founders and their relationships to the target market.
That's not to mention how often ideas change. Sometimes the target market changes completely as well.
You can make detailed, elaborate models all you want, but it's not going to tell you anything about the value of a startup. It's the belief that ideas are important that lead so many first-time founders to fail.
Startups are valuable when they make money, and they don't make money because of the idea. They're all about the people: the founders and their relationships to the target market.
That's not to mention how often ideas change. Sometimes the target market changes completely as well.
You can make detailed, elaborate models all you want, but it's not going to tell you anything about the value of a startup. It's the belief that ideas are important that lead so many first-time founders to fail.