On the 31st day, (whether he pay rent or not, it does not matter), you will need to "post AND mail" a 5-days notice to quit for unlawful detainer.  

A tip some may not know, many courts have a separate online data base for unlawful detainer actions.

I prefer to use the unlawful detainer statute anyway.  

In Arkansas, a landlord may pursue a tenant in a civil action for “unlawful detainer.”"

Meanwhile the company that bought our house at the auction filed an unlawful detainer against my wife and I.  

Because it was easy to induce tenant/buyers into such arrangements (with a minimal down payment) and easy to evict them using the forcible detainer process if they defaulted.

Is it possible to represent and file the unlawful detainer yourself? 

He said he has some wrongful detainer cases that have been dragging out six months plus.  

This process is referred to as an unlawful detainer and can usually be completed within four to six weeks.During this process it isn’t uncommon for the lender to send out a “Boarding†crew to go out to the property and change the locks and board up the windows in fear of vandalism.

Interpretation of this agreement to arbitrate shall be governed by the Federal Arbitration Act.(2) EXCLUSIONS FROM MEDIATION AND ARBITRATION: The following matters are excluded from mediation and arbitration: (i) a judicial or non-judicial foreclosure or other action or proceeding to enforce a deed of trust, mortgage or installment land sale contract as defined in California Civil Code §2985; (ii) an unlawful detainer action; (iii) the filing or enforcement of a mechanic’s lien; and (iv) any matter that is within the jurisdiction of a probate, small claims or bankruptcy court.