They give no official closing documents, just internal documents that I'm guessing are fraudulent. 170% profit in two years is a HUGE red flag🤯 

I am close to where you are.

If you are looking to buy in PA, its possible you can qualify for PHA KFIT program that gives you a 5% closing cost forgivable loan.

My wife and I are in the process of closing on a vacation home in the Davenport area.

The drawback is that you are not able to close the property in an LLC or corporation. 

I am very familiar with investing in your backyard, and am down there several times a week, and let me tell you, you are close to some great opportunities!

Contact a local closing attorney as they may have one for you to use. 

The last few years have been great for investors/homebuyers who bought pre-con, but looking back to the few years after the 2014/15 boom, this wasn't the case, where many had actually committed to buying a property that wasn't quite worth what they signed up for closer to closing because the appraisal weren't matching the contract price, requiring a cash top-up.

I’ve been given the clear to close but am experiencing cold feet.

The RedFin data shows a lot less "closed sales" (458) compared to Russell's info graphic (939.)