Ask HN: What do you do to receive honest feedback for your products?

Hey HN,

I've been thinking about this a lot lately.

If you are a solo founder/ bootstrapper, what do you do get honest feedback on your products/ideas?

Especially when you're just starting out, and have no users yet.

Who do you ask?

- Friends and family - Other founders in communities - Twitter

Anyone else?

Would love to know your approach or if something that worked for you.

Thanks