Ooooh, he used such a catchy title!
Anyway, I've seen such articles a while ago when I was looking for ways to start freelancing. None of them helped of course, some of them aren't meant to help you get there but rather see what it would be like. It's all nonsense in a way
I'll detail as shortly as I can, below.1. You work when you want
Genius. Seriously, genius point. However that's not true, at least not in my case. There is daily correspondence with clients and I cannot expect to contact clients at 2AM, however I can complete some work later on in the day which is nice. Big pitfall here, my brain still works at its best when I'm not sleepy - AKA, sort of ordinary workday hours (9AM-7PM, best brain functionality for me with the exception of brain lethargy around 2-3 PM). Around the evening you won't get any creative thought out of me. Thank god I work only with local clients mostly.
As an employee you can also schedule doctor appointments, but you sort of need a permission