I can't give a convince about profitable or not, but in 2017 I took parts in three different bounties and got three different tokens with a large amount. But until now the three tokens only have a price of $ 30, and I'm really disappointed about that. Within one year, I was only able to get $ 30 even though I still had the opportunity to increase the price, the third crypto currency market rose again. Honestly, until now I have not received a news that a bounty token campaign that provides big profits for bounty hunters, most of them have the same fate as me.
You got a bit of bad luck! In 2017 everything was prospering... The bounties I did then used to worth at least $100 of tokens.
I already lost the faith that it's going to be the same today.
Just take your time to go through the bounty sections and lay your hand on any of the tokens that a currently promoting their project and try as much as possible to get a good project because most of those projects turn out to be scam and failed ICO due to the fact that they lack the ability to stand the market after their launch.
Yup! I'm going to study well the projects, and only invest my time on the ones I believe, but without much hope of value.