I don't think airdrops are worth to join anymore. At the moment, I think you guys only can earn about few dollars from each airdrop if you guys are lucky at the moment but seem like it's just enough to pay transaction and trading fee. LOL. I think it's better that you guys should forget airdrop now 
.
It will be better to try if you have time but if not find others way, use the most meaningful resources. Trading and having updates..