They offer bulk rates which can be useful if you're dealing with a sizable list.PropertyRadar: Apart from skip tracing, this platform offers a suite of tools for real estate professionals, especially for those in the western US.Tips on Other Types of Lists and Marketing to Homeowners:Driving for Dollars: This involves physically driving through neighborhoods, looking for distressed or vacant properties, and then noting the addresses to look up the owners later.Probate Lists: Properties in probate can sometimes be acquired below market value.

If you have multiple properties in a specific state you really should have an attorney draft your lease agreements and start to understand the laws or get a property manager involved to advise on these situations.

This is a really tough question to answer because there's no specific area involved.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

Definitely get a title company/closing attorney involved. 

Costs involved in cash purchase: purchase price, rehab, commission to both agents (unless off market), insurance, and........?

Use it to quickly assess properties and estimate renovation costs, which will help you make smart offers.Join Local Real Estate Groups: Get involved in local investment groups.

But if you want low cost, but still have access to that then it's great, as well as all the pyramid scheme programs involved with it :)Personally, I'll agree with @Dan Guenther, that the actual brokerage won't make a huge difference, it is more about who you surround yourself with.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

You might also want to pick up the book It's a Whole New Business by Gene Trowbridge, which goes over a lot of the syndication terminology and details.