The automations posted right now are the largest ROI for those interested in automating their own business and the classroom itself is framed around that, not so much people looking to start making money with automation as a service/offer. But to answer your question/give advice The easy way out for recurring revenue and I'm sure you know is lead generation so things like scrapers are ideal for this. Getting a recurring base income from the automations in the classroom is like you said going to be tough, the hard truth is if you are really looking for recurring revenue as a business or even a freelancer for that matter you have to frame yourself as a systems builders who's willing to go deep into a company's pipeline and really understand where their manual labor is (this will not be easy the first time around and will take significant time to fulfill each client onwards since each build will be custom fit).