I strongly encourage everyone to read this in-depth look into what Fast Company terms the “the art of dry cleaning” by those purveyors of cheap and temporary glamour, Rent the Runway. RTR is on-track to make $100 million in revenue this year with its model of loaning out dresses at reasonable prices relative to the brand and style — I found a sequin Open Ceremony shift for $30 and a Monique Lhullier Met Gala-worthy gown for $450 available for rent for four days each.Alas, human error could put a crimp in that business model, as about half of Rent the Runway’s 65,000(!) garments are returned with some form of stain. But these BCBGs back from prom and Rachel Roys after a bachelorette party are then turned over to a “spotter,” aka a stain removal expert trained in RTR’s 20-step dry-cleaning process. The most valuable spotters can tell the difference between common stain substances like nail polish, red wine, and blood to apply the appropriate cleaning method as quickly as possible. RTR’s best spotters have been lifted from — where else? — a haute couture dry cleaner in Manhattan.Fast Company learned that these crazy-talented spotters average about 30 dresses per hour. So these designer dresses, after being worn and possibly bled on by a total stranger, are cleaned in about two minutes. Since dresses need to get shipped out as fast as possible, rushing is encouraged. My personal strategy has always been to spend that $30 on a H&M dress that will fall apart after six months anyway. Is that smarter than a Monique Lhullier that may or may not have someone else’s blood (or worse) on it?