The answer depends entirely upon the situation of those houses in a given chart. Intrinsically no house is all good and no house is all bad: yes 8th house can indicate death, but also indicates longevity. Yes, 12th house can indicate restrictions and self-undoing, but also indicates liberation. In judging potential influences of planets, the various houses have a relation to this, of course (angular, succedent and cadent houses) But for the QUALITY of each house (relative to the significations of each house), that depends entirely upon the specific circumstances of that house in that chart...