This may involve hiring licensed contractors and obtaining necessary permits2.Address structural integrity, electrical systems, plumbing, and potential water damage from firefighting efforts.Insurance Considerations: A history of fire damage can affect insurability and may lead to higher insurance premiums.

How are the major potential expenses of the house looking (AC, Roof, Plumbing, Electric)?

A major electrical expense has basically no ROI.   

You'll definitely want to make sure the electrical and plumbing haven't been damaged (or know how much they have been).

However, I will get a credit from the electric company for the excess electricity the panels produce.

Also electrical system/panel/wiring may be seriously outdated.

The reason I am ok with that is because I just spent $140K and updated everything - electrical, plumbing, roof, HVAC, windows, etc. so costs should be minimal for a while.

While a recirculating hood with a proper filter (cleaned regularly), would help the grease, it would do nothing for the pollutants.If it were me, I'd put in an electric stove (I don't want to chance with my or tenants air quality) and add a 390 cfm or less exhaust hood (still recommenced to get rid of steam, etc from cooking). 

You're still putting in a kitchen, bath, HVAC, electrical, etc. which are your larger cost items.

Short-term not allowed by city.Condition: Built in 1930, All units are updated, newer roof, new windows, new foundations, new sewer, new electric/plumbing.