Except now those commercial buildings don't have enough office space renters to make their mortgages. The banks are going to be left holding the bag. Can't refinance buildings that don't produce enough income.friend around and find out. The properties in question were never meant to be payed down or off. These properties are refinanced every few years and their equity is used to invest in more. Notes are written as interest only payments with the ultimate goal of building a huge property portfolio. Borrowing from Peter to pay Paul only to use Paul to borrow from Peter.