I'm glad I found this site and thanks in advance.

In today's market we've found the most success in a multi-pronged approach implementing the tactics above.

You get to learn at the REI as well as network with people in your area.In fact, I found an expert flipper in my area at one of the REO meet up and he is willing to mentor me.

New to the REI community and looking to get some great guidance and advice from the seasoned vets and learn as much as I can.Have been doing some initial research into Multi-family, buy-and-hold, (>,=2 units) in the Chicagoland area (mainly western suburbs, Brookfield, LaGrange, Downers Grove, Wheaton, and the like) and found some units with potential.Here's my current question:I've found a property that I believe has some potential.

Send them a letter (not yellow letter because they are getting dozens of them) telling them you found their house to be apparently vacant.

I found BP about a year ago but I have not decided what to do.  

In addition to the podcast, blogs, and forums, I found the BP books to be super helpful and easy to digest: http://biggerpockets.com/books and there's also a free intro video course that has a lot of the same material as the Book on Rental Property Investing: https://www.biggerpockets.com/courses/a-beginners-introduction-to-real-estate-investing

Once you pay their entry fee of thousands, to gain all their "knowledge" and "contacts" you find out all the deals they have are horrible deals you could have found yourself on zillow and the contacts ie contractors and vendors again are just a quick list of people you could have found yourself with a quick google search. 

This is how we found a vast majority of people we now work with. 

Send them a letter (not yellow letter because they are getting dozens of them) telling them you found their house to be apparently vacant.