How can we tell if the increase in house size done legally as there is HOA governing for this location? 

I am specifically located in Bay View.

But at a $1.5M asking price, as long as you don't have to spend more than $300k in rehab (without raising rents), this is a slam dunk deal that should easily be financed  at 75% LTV by a "investment real estate-friendly" bank/credit union that is located fairly close to the properties.

Property Overview- 105-unit apartment complex built in 1977- Mix of 1-bed/1-bath and 2-bed/2-bath units- Location?

You do this buy buying a quality asset in a good enough location.

Depending on the State in which the property is located, foreclosure starts through a judicial process or a non-judicial process. 

However, the success of your project will depend on factors like location, renovation costs, and market timing.Many investors have found great success by focusing on high-demand neighborhoods with strong buyer interest.

@Phil Petite Forming an LLC in Tennessee is recommended if your rental properties are located there, as it simplifies legal compliance, avoids the need to register as a foreign LLC, and aligns the LLC with Tennessee's laws for property management and tenant disputes.

They must also share the frequency with which the unit has flooded.Again, disclosing this information is a requirement for properties located within FEMA flood zones.

Low maintenance building, top-end rents for the area due to the extensive work that was done and the location.