You want to recruit a bunch of people that are legitimately good prospective users or customers of your product, but have zero skin in the game. They do not care at all whether or not your product succeeds. They're just in it to test it.
Test with people who don't care if you succeed
Discovery → Customer Interviews
Grant Lee"Dumbest idea I've heard" to $100M ARR: Inside the rise of Gamma
We discount all of that feedback from our friends to zero. That is not of interest to us. We don't even write it down. We are only interested in Sarah, our target customer.
Jeff WeinsteinBuilding product at Stripe: craft, metrics, and customer obsession
You have to deliberately not act on the feedback of many of your early users, and this is at the same time as listening to people intensely and building what people want. It can't be all people.
Rahul VohraSuperhuman's secret to success
Design partners are incredible. They're the hardest logos to upsell, meaning go from design partner to full rollout customer.
Jen Abel$1M to $10M: The enterprise sales playbook with Jen Abel