It is a 2 separate buildings in a lot.  

Flaming is directly insulting another member, flame-baiting is making a comment with the intention of getting a flame as a response, and trolling involves starting arguments or upsetting people by posting inflammatory, extraneous, or off-topic messages with the intent of provoking readers into an emotional response or of otherwise disrupting normal on-topic discussion.As far as "cancel folks not cool", some people in the forums sometimes get the impression that it is a democracy here, where you can say anything you want and it has equal value as something someone else says.

@Robert Gunther, seems like you've become emotionally attached to buying this property. 

COMMISSIONER: Frequent and substantial sales of real property more likely indicate sales in the ordinary course of business, whereas infrequent sales for significant profits are more indicative of real property held as an investmentTips to get capital gain treatment on the sale: A) If you have an actual investment property and you are a dealer: Maintain separate bookDocument intent to hold the property as investment property in Minutes or other documentsReport expense as investment expense on tax returnAlso use separate entities.B) Insubstantial Nature of the Real Estate ActivityThe frequent buying and selling of real estate indicate the taxpayer is engaged in the trade or business of real estate sales.

We noticed a common theme in out practice today of for charge services and add-ons, a separation of the components of leasing a property to empower additional revenue streams to off-set rent restriction areas.

Maybe hire a property manager to do it and take the emotion out of it. 

Is there any need to set up an LLC or any separate entity for passive multi family investments?

I would not trade lives with any of them.I've learned to keep my real estate friends and my "old" friends separate.

The bathroom combines a large soaking tub with a separate shower.

Common hallways separate the mail entry and the community laundry room.