Approaches I could take in order to validate my idea (i will not promote)

I have built a note-taking app to be FOSS, but now I'm considering monetization. I will not promote.

How do you fundraise when knowing the valuation is impossible (I will not promote)

(update post) I'm almost fully done with the marketing app which "I will not promote" , but need advice on how I can sell it

Help. We are completely overwhelmed building our startup [i will not promote] (stupid spam protection - it is my opinion................)

I was the AI Evangelist at my startup. Today I was put on the redundancy list. (I will not promote)