That number was traditionally at 10% to 14%, so in many cases banks have had to reduce that type of lending by a full 50%.Pile on top of that the fact that in the mortgage biz, revenue comes from the loan sizes, while expenses come from the number of loans.

I would definitely say size of home impacts your decision for adding central AC.

Current rentals around my neighborhood for the house size I have is about $2400 minimum .

Isaiah,Costs are going to vary depending on the size of your home.

Others will use bathtubs for laundry or for cleaning out cooking equipment because they don't like the size of the sink.Married student housing is notorious for being infested with cockroaches and rodents for a reason, and it's not because the universities don't care. 

Please include your deal size as well (SFR, 4 unit, 150 unit, etc.).

All you're going to be able to get from a distance is a ballpark number, and I don't think you want to only be within 20-30%, that's too much money sitting precariously 'on the table'.

Correct me if I'm wrong @Luke Carl, but I think when you're managing a business of that size you don't really have time to write in-depth forum posts on BP.

It seems to me you worry too little about a discrimination claim (I see a family size complaint being a possibility myself) and too much about something you could not be held liable for.  

As an example, no jurisdiction can demand a minimum lot size, limit your max size below 850sf, or limit the square footage beyond the states laws, etc.