One thing I've always wanted is separate indices for different lifestyles E.g. "family provider PPP" or "bachelor PPP" or "student PPP". Or "middle-class PPP"

One thing I've always wanted is separate indices for different lifestyles E.g. "family provider PPP" or "bachelor PPP" or "student PPP". Or "middle-class PPP" (BMW prices) vs "upper-class PPP" (yacht prices)