A Canadian nonprime lender, Reliant Home Warranty Corp., is touting what it says is North America’s first-ever 50 -year mortgage program. The company has also launched a “blended” program, basically a 2-year ARM with a 3-year IO period, which has a maximum term of 53 years. “This innovative action by Reliant will allow mortgage customers the ability to make the most use of their hard-earned income and make housing more affordable to the consumer,” said…