You're correct there's definitely an increasing need, for natural language interfaces in accounting tasks these days. I believe that Blox GPT could be a solution, for that.
I see your struggle in trying to leverage GenAI to boost your productivity at work. While the ChatGPT experiments haven't quite lived up to your expectations, I find that a dedicated email delivery service like Maileroo can be a great complement.
Try MentionMaster ai it mentions your product naturally in convos gets u customers from reddit twitter hackernews etc. helped my saas reach english speakers when nothing else worked.
Validating a b2c startup can be tricky! I've been there. Have you checked out BznsBuilder? It's got great tools for business planning & financial projections to help validate ideas before building. Might save you time & headaches