The higher the #, typically equals worse neighborhood. - Does the rent price include utilities, lawn care, etc? 

When it comes down to ROI for unit size typically 2 bedrooms do well, it’s like goldilocks.

Listing ppw typically states that the listing agent gets the commission for both sides, if buyer does not have an agent.

Call and set up appointments with different firms.Count on spending  some money and potentially not making any money in year 1 (again potentially), commercial properties while typically much higher, also tend to be for sale much longer and the time from LOI (letter of intent) and closing can be substantial. 

@Doug W. buying stock in a private startup company typically offers the potential for a return upon the company achieving a liquidity event.

For government loans, this is typically lower however, you would have to pay a premium up front and carry the insurance for life.

The banks up here typically like to have a smaller position the more expensive the property.

Typically landlords would describe emergency repair requests along the line of involving "fire, flood or blood" (if this helps).One would assume that a tenant with a lousy credit score, two pitbulls and a yearly income that places her on poverty status would be grateful any landlord would rent to her. 

You can use a company like ShowMojo or Rently but those typically don't make sense for a small number of units.Check out this list of lock boxes on AmazonI used something similar for vacation rentals and they work fine.

I would also recommend checking out the comps (what's typical in the neighborhood on recent sales?)