[infecto]

> Along the way you make sure you have good separation of concerns in your overall architecture, so that _if_ it turns out there are many actual humans who want to pay for this idea, you can swap out what you wrote and replace it with something better.

This is the key right here. Very little else matters. Where a lot of companies get this wrong is they either go the route of picking a minimal framework and writing everything in-house only to have created a very unique monster that took a lot of time at the end or they go all in on frameworks without identifying the bottlenecks as they go along and they wait until its too late to make an easy transition.