I used a local (Dallas, TX) franchise/affiliate of Entrust called IRA Plus Southwest to act as my account administrator.

Or we pretty much have to subscribe to one of the online database?

We're currently building up our investor database (http://www.biggerpockets.com/investors/investor-list.html ), and will soon begin to connect active buyers with wholesalers, birddogs, etc.

I purchased the property, sent the letters to the State to add to their database and got a call back that the inspector was a fraud and the letters were worthless.

On one hand the owners of the vacant houses with code violations are being hammered with administrative fees and code fees from the city, on the other hand if they have been vacant for so long I am sure many other investors have already gotten their hands on the owner or something is wrong with the property to not have been sold and rehabbed by now.

ok, so you think it is somebody that has nothing to do with real estate investment, and is just collecting emails addresses to add to some spam database?

In the worst case you are not able to wholesale the deal, you will have learned how to market properties and you will have build your buyers' database.2.

I'm looking for renovation management software or database management software for managing multiple renovations.

What I am doing is generating Probate Leads from the courthouse database cross-referencing my intel with the tax assessor and compiling lists.

Nolo press books at the library, gale databases at the library, the online sites are all basically diy.