To be honest, I saw some of the text on their site and the English felt a bit broken.

I am currently in research mode - listening to podcasts, reading forum and other info on this site, etc. 

Atlanta-Sandy Springs-Marietta, Ga.Average home price: $234,2493-year population growth: 4.9%2-year job growth: 5.1%1-year home price growth: 8%3-year price growth forecast: 24%Homes are undervalued by 7% compared to the historic ratio of price and local income.Source:https://www.forbes.com/sites/samanthasharf/2018/02...

I stumbled upon this site from the research I've been doing on real estate.

I told everyone who would listen what I was looking for in person over the phone through email and on social networking sites.

Inferior mtgs, assuming they were named/served, get wiped out.  

In a foreclosure auction, assuming the irs was named/served, the irs has the right to redeem, repay you your purchase price, for 120 days.....after this their lien goes away. 

Your thirst for knowledge will serve you a great deal.

So in researching rehabs I found this site, which claims to give ranges for various work and jobs by zip code.

To wholesale a property, you must buy at deep enough discount that you can sell to an investor who can rehab and also make profit.To buy and sell ANY property, you must know:The true after-repaired-value (which you cannot find on free sites like Zillow.