People give away free stuff all the time on Craigslist and elsewhere. These stuff are usually free not because they are worthless, but because the ones giving it away have no use for it. You can earn some easy money by simply taking these free things and selling them to others.
What could be easier than being someone's friend? Getting paid to be a friend! If the person is annoying then spending time with him/her could be unpleasant, but most of the time it will just be easy money.
It is a common misconception that Tarot cards can predict the future. Rather than tell people what to do, the cards simply help her/him make the right decision on their own. Your job is easy. All you have to do is flip over some cards to help give them hints about what they should do (after you memorize the meaning of all 78 Tarot cards).