I think it's better to invest in a project that has an interesting and potential concept, because nowadays a lot of airdrops that are scams only waste our time, it's better to invest in bitcoin and other big 10 altcoins
Maybe somebody are afraid to invest, there are many free coins that you can get thru airdrops tho some of them were worthless and some of them are really worth it. Just wish that you get luck picking the right coins to join the airdrop and bounty. If you want a fast profit you can do investment for some coins that you believe are worthy it is risky tho because we don't know if a coin will be a click for the mass. I suggest that if you can't afford to lose, then go with airdrops and bounty. Let's pay more attention to get those good coins mate.