Get a webcam and become a camgirl/camguy on one of those sites. Shake your booty and play with yourself all day and have people tip you bitcoin. I don't know exactly how much you can make as ymmv, but I'm sure one would be able to make more than doing a sig campaign.
You're welcome.
You're welcome.
LOlz
but very rightly said that it will give you much higher in compare to other methods and most of the cam girls are already earning a good income from it.