For example, in a hotel, I worked on we had numerous CMU walls.

Postlets has a cool feature that allows you to generate the entire posting for Craigslist.

I think you have to look deeper into this. because its talked about so much on social media and a site like BP and there is this mind set that wholesaling is the way to get cash then take said cash and buy and hold. ( you see that verbatim in numerous posts).. literally there are thousands of one trick pony's  I am not sure what the minimum run is for the mailing services but I would imagine 250 to 500 bucks and your in the game...

You should definitely check out the numerous resources offered here (blogs & podcasts on everything about real estate investing).

There's no guarantee of course which is why I always default to "know your note seller".Another cool feature of the site though is that you can order a BPO and credit report directly through the site on a particular note. 

I've seen numerous houses being purchased for under 100k, getting remodeled and then sold for over 200k.Really, so many areas of Dallas are experiencing that growth.

As @Jessica Zolotorofe noted, these adjustments are applied based on differences in condition, location, room count, and any other feature that contributes to determining value (including seller's concessions and creative financing). 

This is one of my favorite features of Bigger Pockets especially for asking specific questions.

It's about $40/month, but the good news is that there is a free 7-day trial which will provide numerous addresses (for my city there are hundreds) to explore further.

The property had numerous management ineffiencies.