You are making my face hurt.
Sorry, but there are so many contradictions on this thread I feel like I need to do a tutorial in logic.
Let's start with this:
All matter in the universe can be bifurcated into 2 categories:
a. That which is Zach's dog.
b. That which is not Zach's dog.
You guys have simultaneously said that what you OWE on a mortgage is NOT a liability in terms of net worth and have said what you OWE on a mortgage IS a liability in terms of net worth.
Aristotle and I call that a contradiction.