She was too drunk to take it in and left on her own accord a few months later.That same garage apartment attracted another drinker the next go round and the sheriff and the deputies were handcuffing and arresting him on the property while we were doing yard work on the main house.

We know who he is (very small town) and currently there is a warrant for his arrest.  

An Internet search indicated a drug arrested shortly after signing lease.

if your felony was financial crime related you probably will get denied if you got arrested and got a felony for possessing 2 joints  probably not a problem. your board of realtors has no bearing on licensure so don't bother contacting them.you contact the state department of Real estate who issues the licenses. they are the one's who will approve or deny

5 years ago I was arrested for DUI at 8am (though my charges were dropped) does that make me unable to rent to as well?

Fire in the basement and they can't get out and the landlord is arrested for manslaughter. 

Imagine the background check coming back with:"a lengthy criminal record with prior arrests on allegations of assault, disorderly conduct, destruction of property, resisting arrest, theft, public intoxication, and possession of marijuana"I've applied for CCW.

I'm probably speaking out of school, but can't you have her arrested for disturbing the peace, then evict her for being arrested on the property?

They have been arrested multiple times for trespassing and outstanding warrants.

He was arrested and jailed last year but released due to his "protected class"...