A big ticket item might be a fire suppression system due to the commercial nature of the building.

A down market will suppress rents and increase vacancies. 

Does it have fire suppression? 

Additionally, the City requires fire suppression systems (FPS) for properties with more than 5 units.   

I have two properties in Toronto (one being my principal residence) and the cap suppression is making Toronto way to expensive if you are trying to cashflow.  

There is no fire suppression system. 18,000 sq ft.

Interest rates are begging artificially suppressed by monetary policy.

If you are on public sewer and water you can expect a water tap fee to equal the cost of a septic system because the larger water tap required for the fire suppression system.http://www.mde.state.md.us/programs/Water/BayResto...These systems have increased septic installation cost by many thousands of dollars.Impact fee's are another large cost. 

This suppresses long-term economic growth, marginally disincentivizes the rent-controlled tenant's instinct to findanywork when unemployed, and depresses neighborhoods' development overall.

Make sure you eliminate ALL moisture and wood to ground contact issues to help suppress future issues as part of the pest management plan to resolve your issue.