I think that without any doubts BTC can be a source of income/another question is it stable?Are there any guaranties?
It all depends on your mind and your beliefs in btc as a great method to earn and invest money
Bitcoin could be a source of income as long as it is existing. The signature campaigns and the other ways here in this forum on how you could earn bitcoin is the way how we are earning
bitcoin =
fiat if we are going to convert it and this will be the source of our income. Being active on this forum is more better than having a normal job, the salary that you are going to earn here compare to the salary that you are going to earn on the normal job do have a big difference.
Well no doubt that the signature campaign is a smart way to earn quite good amount but still we cannot say that the signature campaign is enough for someone to do for living. You can hardly make one bitcoin in around four or five months and that too when you are a high rank person otherwise it is not possible to use the signature campaign for living.