Well, that mortgage part we do have as well of course :-)
Wow, passive income strategies, we do have a lot in common! On Steemit I have not written about other investments besides crypto (bonds, investment funds, trackers etc.). Maybe I will some time.
Do you know Mister Money Mustache btw? He's funny but has some interesting ideas about financial independence as well:
That story about leaving my job, I will definitely share it at some point here :-)