John Bianchi has some great free videos that I highly suggest watching that will help you analyze markets. 

Think about getting certified in real estate and always keep learning through books, talks, and videos.

The way I heard it explained is that you take over the existing mortgage and then you can either rent it or transfer the mortgage to someone for free but the videos I’ve watched never say anything about giving the seller anything other than money down to lock it up.

I have surfed the web and reviewed reddit posts, YouTube videos, talked with family members, and more and I've come down to this definition.- 20% equity after rehabbing- 4% Cash on Cash return- 5% Appreciation rateWhat are your thoughts on this base definition and how does it apply to Charleston? 

If you have an iphone and a printer that can receive directly from the iphone, you can snap pics of small receipts send them to the printer, then punch holes in them and file them that way.Here is a video that is a little bit boring how about filing.

The agent sent me a link with a heartfelt video which sounded great.

I remember seeing a video where you could do this but I don't see anything to do so in any of the calculators. 

I am still researching this, but I did find an interesting video on youtube about it, guy named Clint Coons.  

Please watch my youtube video where I expose him.

Finally, you can bring a contractor or shoot him an email with 30-40 images with a video of the property and ask him how much he would charge to fix it to your expectations.