How to Know When You're Using the Right Methodology

I'm understanding a little bit more now about what we mean by the tweet. We've got this validation using deep user research or interviews to help us understand that the thing we think we need to produce is actually worth doing before we jump in and start doing it. And that's a really key point. But how do you know what is enough user research? Because one of the components of your tweet, which I'm still dissecting, is that we have to start with user research. The decision is already made to make that web product or make that website and we come there and then say, well, we need to do user research. A certain amount of that has to be done beforehand