You forgot bounty campaigns, those can also be solid way to earn some crypto, especially if you are willing invest some time in it, like making YT videos or writing articles, but even something simple like twitter and facebook campaign could yield you some tokens.It is risky though, as you never know if those token will be worth anything, but its still solid start.
Some to-do things to join crypto world:
- Read and learn about bitcoin (creator, history, units, block rewards, block halving time, wallets, explorer, transaction fees.)
- Read and learn what are: scam projects, scammers; and how to detect them.
- Read and learn what are forked/ cloned / scammed coins from Bitcoin (history of their forks, and their price movements so far, high or low, or death)
- Read and learn about other things (altcoins, tokens); starting with top, famous, and long history; starting from coinmarketcap.com.
Jumping directly into bounties neither help you get rich nor building your fortune in crypto.