Coinbase:
1) Register for coinbase
2) Wait a day or two
3) Watch the videos
4) Get shitcoins
5) Invite friends, get more shitcoins

Link - Stellar: https://coinbase.com/earn/xlm/invite/4pndfh18
EOS: https://coinbase.com/earn/eos/invite/4r79wp6j
Other Coins: https://coinbase.com/earn/

You can find other coins on there. It's $36 - $116, depending on how many friends you invite.

There are conversion fees to trade/sell, so you don't get to keep the full $36, necessarily. You'll probably only get $30 of Chainlink, if you convert immediately.
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https://www.blockchain.com/

Blockchain.com sometimes has free Airdrops. They might be worth something someday.
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Use Brave Browser (It's pretty much like Chrome, but it shows you ads, and some of the revenue goes back to you).

1) Install brave browser
2) Opt-In to Rewards
3) Claim the Token, once it is offered

You won't make that much, buy it's more than nothing (which is what you'll get for browsing with another browser).

Link: https://whatisbat.com/2018/12/18/how-to-claim-free-bat-with-the-brave-browser/
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(I have not personally used this)
Do microtasks for Effect Force
Link: worker.effect.ai
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Once you finish, feel free to make an updated version of this pastebin.