Or you could just solve one of those "Millennium Prize Problems" (hardest math problems) and win a million dollars.
By the way, if I had psychic powers, I rather use it to make more money at the casinos. LOL Just imagine playing poker and I can read my opponent's hand or play black jack and predict the next card. I'll be multi-millionaire.
It's much better than revealing my ability and getting only 1 million from James Randi.