Additionally, as I enter phase II of life (the big "R" not too far off), I am in search of advice on good ways to build revenue streams from investment properties (single/duplex/ multi-family).

., provides an online technology platform and patented client management system that allows real estate agents to provide their buyers and sellers the industry's best search experience, including real-time MLS data and public records, the ability to view their customers' search activities and collaborate with them online, and to easily and automatically provide other information and tools to help clients find the perfect home or market their property.Listingbook has 70 MLS clients and is available to 60 percent of agents nationwide.

I would consider building a targeted website for the demographics you are searching for and then working with a web developer to SEO the site as much as possible.I would suspect though that networking will most likely bring you your biggest leads early on.

I searched the area using Trulia just for a rough estimate and it looks like the house may be underwater but not by much.

I"m in search of my first rental property.

From google searches...

I would recommend you start searching for another realtor.

Search 50% rule.

I came across a 23 Unit Apartment Complex for sale in my Search for motivated apartment building owners and after getting some detailed expenses from the seller I realized that the owner isn't making enough on the property to cover his own debt service.

You can use craigslist and filter your searches by craigslist ads listed with keywords such as " wholesale deal, investor specials, handyman special, rehab, etc.