If you don't have a main job you must have a main business, only that can guarantee the need. A signature campaign is not an ideal job as a guarantor of necessity. Maybe some new campaigns are held every week or day, on the other hand your chances are getting slimmer as the competition between eligible members increases.
In this sector most of the time bounty manager scam people and who joined for signature and wait for 2-3 months get nothing from this project!! Yah sometimes it works and give good profit but it is not a stable income how you can leave happily!! You better go for other sector like trading or a stable job!
No, it's not the signature bounty that people are referring to here because obviously it won't earn on a scheduled basis and isn't worth the work.