How to choose profitable bounty ? What factors we should analyse before pick any bounty 
Read these following files;
1. Whitepapers
2 Roadmaps
3. Developers Team
Also search the smart contract of the project to know how many tokens are created amd solve the probability of getting huge payment when you max the stakes in full weeks.
The project's goal is very important and the purpose of it. The concept of the projects is one of the factor what investors are looking for.
Please read this, I also have a content about choosing a good bounty and investments. Soon I'll post a link here since I can't locate what page where and when i posted it.
And please take note; don't always talk about bounties. I don't know why people always prioritize and keep asking about profit and income. Please contribute to your local board first, don't be a typical bounty hunter forever.
