I listed the condition of the property to give a feel for the lack of care to the property vs. tenant's insistence that it is in 'excellent' condition, and to give an idea of his behavior.  

Either you were given a gift of managing money, or its a learned behavior you worked at.

However, once you have a tenant in place and with good landlording behavior, the tenant can request for voucher increase whereby you could benefit every year.If you would like to know more, ping me and I can share more of my section-8 experiences.

He was an INSIDE dog, hence his behavior not liking being put out for my visit, but he assured me he has never has went potty in the house. 

 I assure you you done want to work with these guys,have  no  professional or ethical behavior.

Past behavior is indicative of future behavior. 

Anyone that's been doing this since before the recession operated in that world, I have not and don't think I'd have been a good fit for that world.I know a few realtors that gave up on lending and became realtors specifically because they could not be competitive in a world that rewards crummy behavior.

I make my RE investment decisions based at trends since human behavior don't change be it now or 100 years ago.

My only challenge is that I am encouraging this behavior.

Omer,Stand by your rental agreement guidelines and in this case I would not personally trust a tenant whom has displayed such childish behavior.