Bureau of Labor Statistics, the Census, local Chambers of Commerce, and sources like those are good places to start.

Get to the REIAs.Read about Self directed irashttp://www.amazon.com/IRA-Wealth-Revolutionary-Strategies-Investment/dp/0757000940Read about the Private Banker Concept through TrustEtc.com, my favorite custodian.https://www.dropbox.com/s/lubeo04p7o5d8rk/PrivateBank_2011_Final.pdfOnce you understand the Custodians, Prohibited Transactions, Disqualified Persons, etc, you can give speeches to Rotary, Lions, Chambers, etc. about Main Street vs Wall St.

He uses an asset management company to locate foreclosed properties, also you can go to your local chamber of commerce and ask them for a foreclosure housing list if they don't have it they can point you to who does. 

I also attend various small business networking events, startup conventions, and chamber of commerce events.

Ours is a FVIR type water heater with enclosed ignition chamber.

@John T kemper local chamber of commerce will routinely have this type of info.

@James Chambers You should have annual leases so I'd be surprised if there were vacancies in the summer.  

Different MSA's Chambers of commerce will also have good data for you to bite down on.

I have made valuable connections at the Local REI group, the chamber of commerce, Rotary, my hockey team, on bigger pockets, those I have hired to work on my projects, local material suppliers, realtors I have met by being involved in a deal with them, partners in other businesses, and many other ways.

If Tenant smokes/vapes or allows others to smoke/vape on the premises, Tenant agrees to pay a penalty fee of fifty dollars ($50.00) per violation.