Many bounty campaign give token..often token bounty has not been paid .. you already exist in the market .. after the price paid it down drastically ... if we hold the token .. later will be able to rise or even added down the price of token bounty
You should know the only risk of joining bounties are losing your time and effort,you arent required to participate of buy tokens fom these ICOs,you are literally getting profits from your time and effort which is why you should be grateful,you should hold those tokens which are for long term try to analyze the the roadmap.