The property has one external entrance but leads to two doors. 

I went through this as well until I got to the point where I was more driven to act by my frustration of not acting (and some other external changes that were going on) than I was driven by the fear of failing and losing money. 

@Eric Wilkinson, I have mine through Home Warranty of America, and yes, they do offer standalone external sewer line protection.

This will very significantly from market to market, diff utility costs, harsher weather regions more maintenance snow blowing etc, but for just comparing two properties in the same area it doesn’t mater as long as you use the same multiplier.

Even have a turnkeys Facebook group which is a lot of fun but can't put an external link in a post.

What are some external places to learn on real estate?

In Australia it was used in roofing, external cladding and internal wall coatings.

1)  Security camera-   External security cameras to track who is coming into home?

The border at Aramingo is arguably harsher as it is near the transition between Port Richmond to the rougher part of Kensington where most of the heroine activity is prevalent. 

@Mitchlyn D.That is what they call an external obsolescence.