what goes into evaluating something as subjective as product-market fit or “fit” for short. Achieving and maintaining fit is an incremental process and needs to be tested repeatedly from concept development through limited availability and post launch stages. This testing occurs through a mix of qualitative and quantitative methods.
Thus, Lean Product Management is a journey. It is a process of continuous learning and improvement. There is no point where we can say “We have arrived.” We can only say “we did better today than yesterday, and I believe with the following changes we can do better tomorrow than we did today.”