This is a very good advice. But we are too greedy. So we do sometimes mistakes and lose. It is easier and faster to lose than to win. Patience is our friend. I think everyone do mistakes.
I think airdrops and bounties are useful for projects they related with . They help to attract community and thus to increase value . They are also useful for participants , because you get tokens for free , just for doing a simple work , they do not require for you to invest real money , so they can't be unprofitable by definition
I really hope that this coin can grow rapidly, because I see that this coin is very promising for a long time, after the coin is widely known to the public.