You also need to know the applicable laws regarding lead and any updates required that you might not figure on like egress windows. 

Look below this Window, and you will see a list of names of people that have posted in this thread.

I don't believe they would zone it for a triplex because of the windows and exit points in the basement.

Tenants terrace has 3 doors 1) window door, 2) terrace screen door and 3) metal door, all able to open at free will. 

I opened your screen shot in another window and can read it perfectly.  

For my guy - he would probably be about $3000 + paint if lap siding with only window and facia trim and he's not 30' in the air fighting trees.

This will completely deplete our savings but if we buy them both at the same time we can move into the mobile home and avoid paying $850 a month for our apartment, the going rate for the manufactured home is $600 a month in rent with no HOA and taxes are $500 a year, so after a few years it will cash flow and will allow us to move towards something and not just throw our rent payments out the window.

Repaint exteriorShould do's Complete rewire from 100 amp service with tube main breakers to modern 200 amp service.Replace old 1950's windows that are cheap aluminum balanced or wood channels that have been pained shut, but at the front of the lot near the road in the front corner of the property.

One of the only downsides though is some Windows software won't work on them but you could have a "Dual Boot" system with Windows and Linux installed so you could choose which one to use at any given time.

Here are the photos I took yesterday MayflowerWe are waiting on Kitchen cabinets, flooring done, windows and doors this week.