Naw man you shouldn’t even think that stuff like this can be profitable… It should be a money sink… The only thing that should matter is the betterment for all to use freedom technology.

Sustainable. The real problem is that for decades people got used to being the product being sold (to the advertisers) without even knowing it. They call it free… V4V does not scale or sustain anything, Sumerians understood this thousands of years ago and began writing, striking deals and signing contracts. I tried to look at content as the honey pot that would fuel clients, relays and more. Got told V4V or nothing! I tried to look at relay subscriptions to fuel content, give back to the community via dev grants and so on. Got told too expensive, too cheap, why should I give forward, V4V or nothing! Developing and maintaining an ecosystem set to compete with centralized giants requires an army of full time people. The strength of Bitcoin is not cryptography, it’s game theory. Nostr has none.

I'd say if money is your only motive for doing it then your likely doing it for the wrong reason and it will show in the work accomplished.

Not for profit could achieve similar outcomes no? Ie. Pay you and others without pure profit motive. For profit isn’t bad either but another take.