Your daily thoughts affect your net worth more than you may think.
That's what self-made millionaire Steve Siebold found after studying millionaires for over 25 years.
"When I began studying the ultra successful and super rich in 1984, I thought they were more ambitious than the average person," he writes in his book "How Rich People Think," which compares the thoughts and habits of the middle class to the wealthiest individuals. "I later discovered after hundreds of interviews that it wasn't the lack of desire that held the masses back from getting wealthy, but the lack of belief in their own ability to make it happen."
Here are nine common thoughts and beliefs that could be holding you back from striking it rich — and what to think instead.