In principle there's no reason we couldn't have the mortgage equivalent of consol bonds, which are perpetual (infinite maturity date). In Sweden, once your mor

In principle there's no reason we couldn't have the mortgage equivalent of consol bonds, which are perpetual (infinite maturity date). In Sweden, once your mortgage is below 50% of the of the purchasing price you don't have to pay it off and you're free to just pay the interest in perpetuity.