Ask HN: How to find the second and third customer?

PowerPoint presentations. Get people to agree to buy before it's built. If the first customer is paying enough, you probably just need one.

What problem are you trying to solve? Who might also have that problem? Where would you go to find people that also have that problem?

What are the current things that people with that problem are doing in order to solve (or hide) that problem?

What is your product?

How did you find the first?