Either you or your PM should contact the tenant and, as someone posted, express appreciation for the good relationship being mutually enjoyed and for being a good tenant.

I'm simply expressing my opinion on the quality of answers given so I can expect better ones that actually read the question and not assume.  

Sue Kelly expressed the reasons well for why I do month to month (although I only quoted a little).  

I talked to the tenant I expressed my concerns about the situation and their behavior and the safety of the tenant on the first floor and the neighbors who live next door.  

I'd write a handwritten note to your tenant and express gratitude that they're an awesome tenant.

As I shared with @David Dachtera, I certainly could have expressed more clearly my intended query. 

There is a $35.00 Non refundable background check that the applicant needs to pay to smartmove.Look at the ID of the person when they get to the property,.......and make sure it matches the person.....A quick tip on showing......and setting rental prices.......Do a "soft advertisement on Craigslist with all the info.....but without the actual address.....just the name of the street.....see if you get lots of responses quickly.......if you do......that means you need to take the ad down for a couple days and then re advertise it at a higher price..............I advertise on CL and when the phone rings.....Do NOT ANSWER.............let people leave voicemail .....you want to see if when they leave a message they sound like someone that you may feel comfortable talking with on a daily basis......And DO NOT DO OPEN HOUSES..............What you need to do is when the first person you talk to that you get a good vibe with expresses an interest in seeing the house......you tell them I'm showing it Saturday at 10am and Sunday at 3pm...........then be quiet.....they will pick a time.......and you repeat that process with everyone that calls and make sure it at or around the same time slot as everyone else.....Don't tell them other people will be there also......When they do show up and they see other people there also.....it creates more of a demand for the room :-)   Also...pick a time that is withinn 24 hours of talkin with the person....if you talk with them Monday afternoon....tell them you are showing it tonight at 7 and tommorow at 6.        

He has already expressed the fact that he wants to stay after the 6 months. 

I will express my opinion as property's owner.

I did look at Allied and Real Estate Express as well, but I went with a company that’s local who seems to provide a tailored approach with application assistance as well.