25 Passive Income Ideas
.... Some are doable, others are meh

They worked really hard to pad out that list.

Most of them items are variations on "invest your money" and then they list some particular investment vehicle.

Some of the others are pretty dubious. Buy an ATM? Unless you own or lease a building, where are you putting it? Same with vending machines - where are you finding this premium space?

Most of the spaces for those are taken; I've had people that I know buy them and can't get space for them ...