Ask HN: How much recurring income do you generate, and from what?

There have been two such threads in the past few years (links below) which I've found incredibly useful and interesting. It would be great to hear some new success stories or updates from previous posters.

2012 thread: https://news.ycombinator.com/item?id=4467603

2011 thread: https://news.ycombinator.com/item?id=2567487