Eviction advice needed

[Yi O.]

Unfortunately, I have rent one of my property to this person.  They represented themselves as self-employed business person for house showing.  And they signed lease, and moved in this April. However, things got worse and worse.  I went to the house to fix the AC, and saw the guy smoking and dogs were around.  This is non-smoking ,non-pet unit.  That's the first red flag.  

They paid 6 month rent ahead time, now 6 month passed and they cant make payment.  and I give them formal 3 day notice.  They tenant called after that, told me everything in my property is broken and wrong. Threatened me saying he has really good lawyers, i wont win for eviction if i try.  He said i need to give him a notarized 30 day notice, then he will move out.  He want my lawyer to call him and talked to him.  He said he has the right to talk to my lawyer. lol  I hanged up the phone.   I am going to filling Eviction next week. 

have anyone ever deal with this before? I would appreciated any advice or shared story.