I admit I devote my time to signature campaigns. Its true to earn a little from it. However, I guess I'm still keep doing it since I have limited time as well. The chart really opens up my mind of the other activities to earn. It just need more time to make things done. And on my part now that I'm also doing my usual job, its really quite impossible to maintain or do the tasks in other activities. Sig campaign for me is a suitable bitcoin earning activity with low risk.