You have already come farther than most people who express an interest in real estate.

Since 1,000 new units in Los Angeles is insignificant, but 1,000 units in a small town are a lot, the figure is sometimes expressed as a portion relative to the existing number of apartment units in that MSA.

Expressed that way, you're making the seller see & feel the "cost" of a HML.

The female tenant as expressed that she would want to move out and knows the boyfriend only signed. 

So my GC saw my facial expression and knew I was not happy.

They can provide you with an estimate of closing costs for each house you express interest in.

And then there's color for some properties: I used to have a place I called "The Devil's Mother" because in Greek, the equivalent expression for "the middle of nowhere" is "where the devil's mother lives."

Closing costs do not scale up and down in a linear manner with purchase price, so there's no point in expressing it as a percentage. 

If they pass your screening, then you'd move on to the rest of the process with the Housing Authority.Here's an example of that process from one of the local Housing Authorities in my area:- After an eligible HCV (Housing Choice Voucher) tenant is selected and they express interest in renting your property, you will receive a “Request for Tenancy Approval (RFTA)” packet from the tenant.

We even give up on the third room due to him expressing frustration with the other permits needed to inspect the septic and the extra time the project would have delay.