Capitolism is the impediment. Communism is Star Trek's answer to this problem. Don't be offended... these are economic terms, not political. Thru the years, their meanings have become misconstrued.
But as leftist as I am, "cost" doesn't cease to exist in a socialist framework.
I disagree with Sojourner, too--money isn't a paper representation of the labor theory of value. It's a paper representation of the market's determination of worth.