I've joined the two major landlord Facebook groups for Ontario and it's been an eye-opening reading experience.. the mechanics of screening tenants such as verifying income and credit are still a total unknown to me so I appreciate your advice.

Some leases auto renew for 1 year.

A roof or major mechanical replacement is not all the sudden less because the property costs less, so the % marker gets majorly skewed.When you inspect the actual property you will have a better idea of what to have set aside for Cap Ex and other reserves like repairs and vacancy.  

Don't make the mistake of thinking that flipping a house is all about the mechanical aspect- it's as much about the logistics, people management, design, and marketing.   

You can anticipate, fines,  autos getting towed for being in the wrong parking spot.

Or, in the case of moving money; he who controls the mechanisms by which money is moved wants to know why you're using his systems to move your money.  

The mechanism for taking unreimbursed employee expenses was on Schedule A of a 1040. 

Business Auto coverage6.

However, with the normal wear and tear/ usage of the two main entry doors to the units foyer area, we have had more than 5 service calls on the locks (for batteries, lock mechanism not functioning, etc.) and both front door Locks have had to be replaced once already and I am thinking it is time to use a different Door Lock method. 

Hello Joo, Regarding your sewer line it sound like you need a mechanical sewer system.