Come on, even if I accept that an apartment and child care is $6000/month in SF (its not, but it is pretty expensive), are you really arguing that $4000 a month

Come on, even if I accept that an apartment and child care is $6000/month in SF (its not, but it is pretty expensive), are you really arguing that $4000 a month "left over" (for non-rent, non-child related expenses) isn't doable? I've lived in the Bay Area for three-and-a-half decades and never made anywhere close to $4000 a month post-tax, much less $10000. If you're serious, show your math.