Here is my list:
Can you add anything else ?
1. Invest in Crypto mining company stocks.
2. Constellation network. (DAG) Door miner. Heatbit miner.
3. Buy and Sell Websites, domain names
4. garage (give out for rent)
5. KCS & Bibox tokens staking
6. Yield farmind stable coins.
7. Dividend yield stocks.
8. Use cryptotab or slice browser for make passive income by surfing on the internet.
9. Stormgain app for mining.
10. Read bitcoin magazine via carrot app.
11. Binanace/learn and earn
12. Listen fountain Podcast
13. Stacker.news