I suppose that you and your wife are both still working full time, so moving into a Duplex is ideal for you because the other unit would get you close to (if not entirely) cover your mortgage and house hold expenses like utilities, etc. and help you and your wife free up a lot of your salary, right?

I taught high school home economics now I am COO of our SMH (seven member household).  

You would be smart to involve the entire household in the process.

Almost never was the person who passed an income earning member of their household.  

While working with our out of state clients we place our primary focus on average household income along with surrounding industry in order to find a sustainable and safe investment .

I make a pretty solid paycheck, but having a child and a wife who now stays home to be a mom, made me seriously re-evaluate where every dollar goes in our household.  

Monthly pre-tax income for household 5.)

I don't invest in the market I live in for a multitude of reasons, including lack of job growth, stagnant population growth, very low median household income, and too much stock in terms of rental properties, driving rents lower.

@Tri Quang Le If household is claiming it's a companion animal, then a disability must exist.

In fact, in most Texas markets that I researched they usually house lower-middle to lower-income households.