leevee

Notion

Depends on the idea--you just need to find where your potential user groups are and talk to them.

Yeah, prices tend to be higher there and I think they have issues verifying the authenticity of some products. I think stronger competition is coming.

Maybe you could try taking some ML classes on the side, to see if you enjoy it/if you're good at it. I heard some FAANG actually sponsor employees to do Masters in Computer Science.