I think the people making most passive income are those selling the passive income books and advertising :-) My friend in the IT business says I am the only pe

I think the people making most passive income are those selling the passive income books and advertising :-) My friend in the IT business says I am the only person he knows making close to passive income. I have a side project which has been generating income for the last 10 years. The sideline involved a lot of work to setup and after years takes little of my time. So I would say go for it if you want to swap some of your time for money. I am proud of my sideline but most good things come at a cost.