WELL, THAT’S BEEN THE HISTORY OF EVERY SIMILAR PROGRAM, AS NOTED HERE: How Much Will Obamacare Cost? Bet on ‘More Than Expected.’ “In 1967, Congress estimated that the nation’s single-payer system for the elderly, Medicare, would cost $12 billion in 1990. The actual price tag was $110 billion, for an error ratio on 9.17:1.”