If you said C — this one's personal to me, so I'm going to be direct with you. The fear that no one will pay for it is not a sign that you're on the wrong track. It's a sign that you've never actually tested it.
Those are not the same thing. And treating them like they are has kept more talented people stuck than any actual skill gap ever has.
You don't need the market to validate your offer BEFORE you start.
You need to START... to let the market validate your offer.
Here's the only question that matters right now:
Have you ever offered it — even once — or are you afraid of a rejection that hasn't happened yet?
Answer honestly below. No judgment here — let's just figure out the real next step together.