Traditionally Condos react first to a bad market and last to a good market.

Look at the Florida condo market to learn how the market can be affected by special assessments, weather-related disasters, insurance availability, as well as newly promulgated laws/regulations.

Due to capital zoning we can only build a 2 story building instead of a 3 story building.  

Can you let us know where this deal was located and what the cash flow is after you bring it to market rents? 

For example, in an ocean market beach views and access have far higher demand than those without.

Hey I did deep search in a lot of sub markets throughout different states.As I see, the average profit per average property is around $350 per month.Anyone else can confirm?

If you're considering investing out of state, my advice is to look for markets with growing economies.

It doesn't sound so much like a scam to me as marketing gimmick to get business.

Do y'all have any advice relating to how to have more reliable estimates and how to find sub-markets in areas?

If you're priced out of your current market, I would definitely look into other markets where you can find great macroeconomics, positive cash flow, and amazing appreciation potential.