From there a TC which you have, showing agents and more administrative positions will be very helpful and take much less time to train as opposed to brand new agents. 

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Usually starting with a subscription database, like the MLS, realist, auditor database query and supplemented with internet research and personal interviews.Now, if there are truly no sales, then you need to have the valuation skills to use outside data for sales analysis, income analysis, and/or depreciated cost analysis.

The good ones will only give you the leads with real estate, address of the real estate, mortgage balance or guessed equity, attorney name, phone, address, maybe the executor /administrator name and address and maybe some other info in an excel/google doc so you can sort/shift the data to attack the ones you want to go after.   

I have tech systems up the ying-yang running 24-7, databases of thousands upon thousands of contacts.   

@Catherine Coy careful not to get this too political and start talking about current, or very recent administrations.

Some of the people working in the refinery stole his stuffed coyote and would place it in various places in the administration building as a surprise to people walking around a corner of a hallway. 

You can get a rough idea of "ARV" by looking at places that recently sold if you have access to a database of that kind of info (Zillow, Realtor.com, An agent specific site). 

Cons are less space, privacy, and administrative work with becoming a landlord.

Can you pay all the expenses of the property (taxes, management, repairs, vacancies, general administration, reserves, etc. etc. etc.) out of that $110,000 each year?