Similar to customer interviews but you're talking to key partners and discussing the activities you cannot or don't want to do in-house.

Gather 15-20 potential customers, let them use "pretend currency" to inform you what features they would like.

Use online adverts to display your value proposition to a niche user segment, plus a simple call to action, over a specific time period.

Short video, explain your business/service in a simple, engaging way.

Simple web page clearly illustrating your value proposition with a clear call to action.

Create a customer experience manually. Use people instead of tech.

A sale made before an item is available for purchase.

Creating successful customer or user interviews is a critical skill.

A one page sheet with the specifications of your value proposition. Just pure data about the product.