Bounty or airdrop in Bitcoin talk payment is very poor base on the recent market condition, the best way to earn is to join trading, either spot or future trading.
The best way to earn is to get a skill that you can offer in addition your RL job, trading is pretty much very risky to call it the best way to earn, especially for newcomer traders, they'd have to spend quite a lot of time learning how to trade before they can prolly get an inkling of things, generally it is safer for newcomers to avoid trading, they'd be better of investing in Bitcoin and hodling it for the long term. Having said that, bounty and airdrops aren't unproductive because of the present market condition, it has been like this for quite a long while now, the days when they were profitable are long gone mate.