But as I describe in my other comment, the value of a dollar varies not only with time but also with location and context. There are places in America today wh

But as I describe in my other comment, the value of a dollar varies not only with time but also with location and context. There are places in America today where $200 a month from a blue collar job will keep a roof over your head. In other parts of the country, $200 is worth substantially less for the same purpose. Say what you want about stellar kinematics, but measuring meters simply is not so fraught as this.