Or K1-12 schools, very much socialism.

If applicants do not have a Social Security number or an ITIN, they unfortunately cannot proceed with their application.

Newest, is tenants don't have social security.

You have basically 2 options for marketing; outbound marketing in which you contact the prospect first, thru social media, ads, etc.  

Social Media has allowed for faster and easier networking capabilities. 

People who are really determined to sell their house have undoubtedly posted about it on their social media account.

Be active on social media.

Nationally I think there is a lot more fraud overall, not only rental applciations but loan applications, social engineering scam with emails etc.

I've always found the background check services do not do a thorough job so I always overlay that service with my own gumshoe due diligence  (talking directly to immediate supervisors, ensuring the previous "landlord" owns the property, checking social media, etc.).Never rely exclusively on these services. 

So, start out by CONSISTENTLY posting what you are doing on whatever social media channels you currently use.