Here is an actual deal 123 main street, where we would offer X ... put in Y and make Z ... or rental 123 main street, make ready ____, rents for _______, and we would be netting ______.  4.

But I was also made keenly aware that areas could change drastically street by street. 

If you can buy anything up and down the street for a similar price, this is still OK as far as returns, but you might be able to find a better deal. 

Li Wa, I'm very surprised to hear that Upper Darby is that bad...I have scoped out several neighborhoods in and around Philadelphia and Upper Darby remains one of the cleanest and spacious (few if any row houses)   There are patches of not so great streets, but for the most part I don't see anything overly negative about it.  

All homes one the same street and on three parcels of lands.

Next, spent some time on one of the popular real estate sites and obtain information about possible rental properties in the remaining.

@Michael Regalado  and @Hasan Hamdan (you probably already know about this one Hassan, there's one tonight in Garwood that's pretty popular.

They're parked in strategic spots on very busy, commercial streets.

You need to advertise online (Craig's List is popular here).

How can you get to page 1 or 2, you have to use popularkeyword and people have to click your link to reflect that you have a popular webpage.