I know this sounds cliche but what you want to find is a niche market where theres still harvestable low hanging fruit or some original product/idea that might be useful and not saturated. I think automating trading and even selling scrapped data are already getting somewhat mature; it’s not easy to compete with shops that have been doing it for some time by working solo..

Yeah, I was giving an example since I don't have any good ones atm.

Maybe someone knows some regular work that isn't automated or will be incredibly easy for a dev.

Become a systems integrator that use other people's projects like open source to solve problems with a solution based on a database you create and make the UI to. Create solutions for people using free and open source software.