Custom GPTs/agents for a professional niche (e.g. healthcare)
A synthesis of 200 Reddit threads finds custom GPTs for a professional niche the lowest-barrier AI side hustle: $500-5,000/month reported, with time-to-first-$1K around 3-4 months. The model is setup fee plus maintenance for small businesses in a domain you genuinely understand, built with no-code tools. For regulated niches like healthcare, accuracy and compliance constraints apply, and local pricing will trail Western figures.