Try your luck here and see how lucky you can be. There is free $30,000 competition ongoing at the link in my signature.
Visit there, register, click on $30,000 competition. Go through the write up and try your luck.
The prizes ranges from $30,000 to $250 for the 1st to 10th position, all paid in btc.
Even when you feel that you can't compete, you can still register and roll dice to win free bitcoin.
Visit the link in my signature.