While rising treasury yields may be music to the ears of savers who have been crushed by low interest rates over the past 7 years, they’re a bit of downer for the overwhelming majority of Americans that have been funding their lavish lifestyles with cheap debt. Yes, sadly the days of upgrading to the $65,000 luxury car despite a $40,000 annual salary, because you can “afford it” so long as you can cover the low monthly payments courtesy of 7-year terms and low interest rates, may finally be coming to an end.