Let me jump in here to say that my experience with my PM (Midwest Realty) in Cleveland has been positive but have to stipulate that they are not for everyone as they only will take on mid and larger size (lets say 10 units or more) portfolio (SFR or MFR) which eliminates the majority of OOS investors.What OOS investors with only a few doors put up with (service levels & costs!)

my friend recommending me to go with national realty investment advisors , will appreciate  your opinion

Realty Trust Services? 

You will learn more joining a construction outfit, property management company or a Realty company.Wholesaling takes as much or more experience than most entry level jobs, and you need a lot of money for marketing. 

I have used Steve Maginnis with First Investor Realty & Management for years with very good results. 

Haley Anderson - Realtor - CENTURY 21 North Homes Realty

AJ Petterson of the Advisory Realty Group, Gus Kellom of Envision Capital, Dave Klutch of Harmony Homes Inspections, & Edgewater Title Group all did a bang-up job.

Brenda Bianchi with Brenda Bianchi Realty & Property Management

Find a new job with a property management company, a Realty company that needs an admin, do transaction coordination or something else.  

Ralph and Cassi Justiz at Spearhead Realty were very helpful in helping me find the deal.