The only thing I can think is that he does have a irs lien or a child support lien or maybe a tax lien from the state.

I believe that the 160k covers the loan amount and the liens, but doesn't cover what extra that the wife wants to cover child support, etc. 

I mean, it could be a woman with a bad bf who had the locks changed (still not legal without permission) and we did see children's books outside on the porch so it seems there is a small child there. 

Estate Trust) that will allow me to minimum any government taxes for my child in the future, in case anything happens to me before I one day liquidate my rentals (which I don't really plan on). 

The landlord-owner seeks in good faith to recover possession of the dwelling so that he or a member of his or her immediate family (child, including stepchild and adopted child, son-in-law, daughter-in-law, mother, father, mother-in-law and father-in-law) may live in it;2.

Currently vacant and previously rented downstairs to sellers step-child and upstairs to one single individual.

Now you have fur everywhere and a guest that is allergic to pet har checking in  2 hrs from now.

The other income problem is with things like judgments and alimony/child support,  where the source of income could be a less-than-reliable individual instead of a government benefit or something that could be expected to be reliable.

These students tend to come with parents who are concerned about where their child is living.  

California's prop 13 limits the property tax increases and allows the basis to be transferred to a child.