Rose, in order to make sure a member is notified that you answer, if you use the @mention function, it sends them an email. 

Absolutely put a servicer in the loop, from that outline you gave you're "in the business" of acquiring, modifying and disposing of notes which is not going to be seen as an "investment" function of a buy and hold type, you're churning the accounts so to speak.

For multi-family (5+ units) value is a function of Net Operating Income (Income - expenses apart from financing, depreciation, and taxes) and cap rate.

It's always a function of price and condition.

The properties are definitely built in the early 1900s for the most part, functioning but not beautiful, and definitely not on affluent streets.

In a specific market where buyer and seller are not under duress to sell with a marketable property it will be bashful to an agent who is looking to build a name for her/himself to submit a low ball offer unless if its warranted by some other reason.Properties or owners who have duress with value add potential whether from zoning, entitlements, legal, depreciation to functional obsolesence, sellers personal reason, and other can present a good opportunity for an investor.

A better quality lockset looks good, lasts longer, functions well and provides better security.

It's called the "mention function".  

MERs can be assigned as a function of the instrument or post origination.  

The "PV" function in Excel.