Easiest way to earn money without investment is airdrop, you can earn a bit money with this. Next is bounty, join and complete the tasks to earn money from projects.
there is so much we can get from airdrops, or even a faucet, but not all of them produce very large, and it is true that if we follow our gifts it might produce a large enough prize, if the prize works and if it fails we only work without reward .