Recently i took part in couple of bounty campaigns,and i though i can earn some decent amount through it...but it was a total waste...i took part in targetcoin and coss ico campaign and after 2-3 months i recieved the bounty which is worth only about 8 USD including both 
it was just total waste of effort and time
You should not sell your bounty reward ASAP and you should learn to be patient. it was just total waste of effort and timeWhen you join ICO bounty read whitepaper. Read when they will do something about project and when project will be released. Always remember this - it took 9 years for bitcoin to reach 4000$. Patience is very important.