Was their two story, four bedroom (one bath) Bank Street (https://rtrlocations.blogspot.com/2016/08/kate-allie-1984-1989.html) apartment (https://gothamist.com/arts-entertainment/photos/nyc-as-seen-on-tv-nyc-apartments) pretty unrealistic even in the '80s (https://www.google.com/search?q=greenwich+villiage+1980s&oq=greenwich+villiage+1980s&aqs=chrome..69i57j0i13i512j0i22i30j0i390l2.5802j1j15&sourceid=chrome&ie=UTF-8#ip=1)? Also, why would a couple with one child have a four bedroom apartment in the first place? Even if Allie was receiving alimony from her ex, Kate had been living there with Emma by themselves for some time. Kate had divorced her husband, an actor, long before Allie divorced Charles.