Basic idea is that you should design the product around the price. Do price discovery before you do anything else.
Podcast ep here: https://www.youtube.com/watch?v=A6veeCbKIzw
Reminds me of a SaaS product I was brainstorming some time ago.
Two guys came up with an idea for a niche product they could push to clients using their network. The first and foremost thing they mentioned was the price. It will cost X, charged monthly, we can sell it to Y clients in few first months, and the market depth is Z.
We did a napkin math and started from that.
Why X? Because that was the highest price an average HR dept could pay out of their own pocket without asking higher ups for a sign off.