[ikoichi2112]

I think your product is validated. The fact you weren't able to make any other sales might be a red flag, or simply a numerical issue. Are you sure you were reaching out to the right people via the other channels? Were those people ready to buy your service, right then?

You have a niche of marketing strategists, who are willing to pay for your service. Marketing is harder than one can think, even when you think you found the right user persona.

Keep leveraging the telegram chat and maybe look at high-quality search intent (SEO traffic from Google), it takes time but it rewards in the long term.