Thanks for the info. I've been trying to sign up for airdrops every day. Most of them will be worthless, but I'm hoping that if I keep it up I'll end up with a few decent ones that actually have value. I plan to keep track of my "free" coins and whatever BTC I trade for them as a separate portfolio to see what is possible to make with no monetary investment.
Airdrop is one of the best way to earn right now. I have friends who are into this because they say if you want income or btc without buying some, air drops would be the answer. As for me since I have a job, signature campaign is the best. No money to invest and widen your knowledge even.