For joining airdrop maybe less chance to get much profit right now because many airdrop have lower price after listing on market, better joining with give away from twitter campaign where you active looking for twitter channel give away for their task and you need to ask them some question and tag your friend, there are many kind of give away in twitter channel right now from prediction about some coin price until how to ask good question for them.
You may want to kindly give out the link or Twitter handle so that those interested can sign up for the bounties, that's hoping the airdrops from such aren't a waste of time like many of them are these days.