However, they have a valid point that two months use isn't enough time for them to create the clog unless they've really abused it by flushing things they shouldn't.When using a NNN lease, I recommend a full service before handing it over to the renter.

To  my brain that is way more abuse of the law than visiting a relative when I am in town for a legitimate business reason.   

However, if you're using a discount company that's allowing you as the owner to set the rent price, approve or deny apps, etc. then your issue could be one of many things. 

You could make a trillion dollars a month in your job and the loan will be denied if the property does not meet Self Sufficiency rule. 

Quote from @Denis Churchill: Wondering if community or national banks are not in favor of lending on 8, 1 bedroom duplexes.

They are starting to crack down on this.From Forbes "Abuse of the tax benefits of conservation easements has reached a fever pitch as easement donations are now syndicated at multiples of nine to one and above.

I do sympathize but nope, not for me.we have a camera at each of our STR's, they are outside on the entry level so we know if our house is getting trespassed and/or if our elevator is getting abused, even that was a toss up for us but it is only that area and i barely can stand having it.

However, it is important to note that the IRS has strict rules and regulations in place to prevent abuse of the depreciation tax benefits.

What if I fenced the property and denied access through it?

Many developers have tried to obtain approval to split vacant lots into two with one single family home on each parcel and have been denied.