yes in large number of people earning a living with bitcoin , they are earning bitcoin through trade , online tasks and signature campaign etc .
yeah living with bitcoin earning is totally possible basically from micro jobs and signature campaign( if you have higher ranked account atleast sr. member )
No i dont think so that earning a living is possible with signature campaign even for a hero member.Signature campaign earning can only be used as an extra income apart from full income.
If your really relying on signature campaign well you cannot really earn a living with it because our earning here is just cent and it cannot sustain the basic needs of 1 people but if you have many rakets and have different ways to get btc well we can really earn a living with this but not forever,
Bitcoin can be a temporary solution for jobless people because by this coin we can earn money and it will depend on our hardwork on how much we can earn with bitcoin on weekly basis.