Bottom line I would not be concerned about the amount of rentals, just have a solid property at a competitive price and I think you will be OK.

Set exact same year range, size, beds, baths, area and see what is available on the free market? 

There are a ton of decent options in Dorchester (five Red Line MBTA stops) and while I've been in that one foreclosure that Charlie mentioned and it is a wreck, you can get plenty of places that still have positive cash flow.David

there are all sorts of on line amortization computers or tools.. just use google to find one.is that 1.5% interest rate ? 

The seller´s agent just got back to us and informed of a property lines encroachment.

With that being said, a HELOC is a line of credit which means that it's not debt or a loan until you use it and create debt.

And much easier to run a gas line to the second floor than duct runs.Another benefit to these units is that they are super easy to work on (not many parts), so that could save you a call to an HVAC technician.All my rentals are single floor, and these work terrific for anything less than 900 square feet. 

The typica test includes a magnometer (super duper metal detector) as well as looking for signs of a tank (vent or fill pipes, cemented over holes in the foundation wall where the lines came in, etc).

Now she says she has complained to housing department (in VA) about bats in her bed room. 

As part of your due diligence, make sure to get those sewer lines "scoped" do you can figure out how they look and what they are made of.