Passive income is an illusion for self health reasons.
It may be passive today but what if it needs thought and energy or other input tomorrow?
Now it’s just an extra job on your hands.
Having a steady job (part time, preferably) and a cheap or modest lifestyle that is well within your means, will mean you can save (and DCA) and you’ll not need to worry too much about temporarily losing your job (as you have savings to help you bridge the time between the current and new job).