David Sacks former CEO of Yammer lays it out perfectly in this piece. The advice is worth it's weight in gold in building an unstoppable SaaS army from a potential chaotic startup narrative. His advice is even similar to the two pizzas theory coined by Jeff Bezos & Amazon to keep things small and in line to ensure that you are not building products that will stay perpetually in development and drain resources.
A must read for entrepreneurs building a SaaS platform: https://sacks.substack.com/p/the-cadence-how-to-operate-a-saas-startup-436aa8099e8