All lights were green and there was a pileup, leaving behind a mess of twisted metal and broken glass, and a few personal injuries to boot.The syndicator crowd coined the phrase "survive until '25" under the hope that by 2025 interest rates would correct and their deals would be fine. 

It should go away.If it's only them smoking and a personal issue, I would reconsider dropping this if they are otherwise good tenants.

Check county recordsUse online search tools like PropStream, Reonomy, PropertyShark, etc.Use local GIS mapping tools (ask your county)Search online directories for LLC or TrustTalk to neighborsHire a skip tracerSend a letter to the propertyThere are a lot of options.

Plane, Train, or Automobile and meet in person.

Treating people like people doesn't mean you make the relationship personal as Nathan suggests and not all tenants will screw you over whenever it suits them.

Watch out for the name Eric Lee as well as the company Sowae Corp and be careful not to do business with him or provide your personal information. 

Since your a hands on person and have contractor contacts.  

Quote from @Victor Correa: It’s Mobile Home with Land I’m taking over both land payment and Mobile Home payment and right as of now is considered personal property but you just open up my eyes and I’m thinking what we can do is convert into real property and then transfer the land and that way it’s attached to the land Your thoughts?

You should get these things for all applicants:1. rental application with employment reference and personal reference2. credit3. past landlord reference4. check for eviction historyMost apps like RentSpree include all this in what the tenant pays to send you a report.I cosigned for my daughter and her boyfriend on their first lease.

Hire a company/person that is solely a QI like @Dave Foster they do it every day and will keep you legal and on track.