If you discover your tenants are incapable of having an environment clean enough that they aren't the roach hotel on the block, regardless of warnings, you just give them 30 days notice to move.  

And I only did month to month agreements so if someone was causing too much trouble and weren't heeding my warnings, I'd just give them notice.But, it seems to me that there is actually less drama in a multi-plex than when you've just got two tenants only separated by a wall.  

Just like a drill that uses lithium batteries, when they die, they die with no warning.

I was showing a vacant unit and as prospects passed by she warned them not to rent from me, I was liar, etc (if I'm all those things then why are you still here?).

Anyway, I have given her 2 warnings about the dogs and that she is in breach of her lease and the second one brought up the BBQing on the porch and the loitering. 

@Stanci March   Always appreciate your input Rick.In my limited experience, your cautionary warning is probably not even strong enough. 

Repeated or consistent late payment is usually justification for eviction.You need to get rid of this tenant as he is training you to be the worst kind of landlord.I would hope he ignores your warning, pays late, and you evict. 

Now she's a tenant, and now you're in a position to have to watch her and give her warnings, and threaten to evict?  

Code Enforcement just sent up post cards warning us to go to a new site and register with all kinds of information about our rental and tenants personal info or we will face a fine.

Sign the new lease, give him a verbal warning and and next month give him a 30 day non-renewal to move him out as he won't quit.