Books and courses come to mind (require some coding). Affiliate websites etc
Can't remember one now, but there are plenty of examples of startups that faked to be fully automated software but behind the scenes all was done manually.
Can't remember one now, but there are plenty of examples of startups that faked to be fully automated software but behind the scenes all was done manually.
Self-publishing is high profit but the same amount of work (if you care about quality and reputation), no upfront advance, and you have to do your own marketing.