It's almost impossible to exaggerate the wild absurdity of high-end Manhattan real estate: On any given day, the price of one five-floor penthouse will be lowered to $27.9 million (even if its original price was twice as high), while the tag for an equally glam penthouse will be hiked from $25 million to $39 million. It's not that the huge real estate brokers who are handling these properties are fools; it's just that no...
