You already have some experience and with additional effort, will quickly climb the REI ladder to its pinnacle.

Depends on how much time and effort you want to put into it.  

do what others will not dogo where others fail to go; https://www.biggerpockets.com/forums/223/topics/27...as mentioned already, READ READ READLearn how to do simple Cost / Benefit analysis:two column headed COSTS/cons ||  Benefits/pros.list everything you can find (objectively) for each column;  frequently it helps to fold vertically and work on one column w/o seeing the other.Verify what you read and/or hear, and be sure to get independent sourcesBeware of anyone selling you "a secrete" that only the/their staff can share with you.

It is arduous effort to get the deals but if you do you can have a quick realization of profit returns as long as your holding periods are less than a couple months.

I can appreciate the efforts for improvements.

Only it's a secret to most SoCal investors.

It talks about revitalization efforts in Coatesville.

How you do that is the secret sauce and varies by market.

This link is to an e book I liked about a secret source of power that will allow you to literally manifest anything you want.

I read Wealth Protection Secrets of a Millionaire Real Estate Investor earlier this year and enjoyed it very much.