Joining in bounties is easy but you are not sure if it is worth your hard work, when you joined you take the risk of what will happen in the end, maybe they will not pay or the reward is smaller than what you expected.
On this moment, you'll be lucky if you will be able to received bounty rewards that will make inside the exchange, most of those token rewards ain't able to reached the exchange and it will be stuck inside your wallets, needs to make deeper assessment before joining and following any project to promote, it will
save your time and effort if you will only follows those potential projects.