Passive Income
Money making money (interest)
Selling tools
Game dev tools
Sell Assets
3D Assets
Code
Sell knowledge
Video course
Teach
Package something that help the user
Sell other people’s stuff
affiliate marketing
affiliate programs
References
https://www.youtube.com/watch?v=Btxks1ze8Fk
https://www.digitalgrog.com.au/affiliate/20-top-brands-with-partner-affiliate-programs-to-make-you-money-in-2016/