Don't take this the wrong way but if you say "It's not a scam" that screams one thing to me...

One  (the good one)  no compains in almost 5 years,  she pays on time (most of the time) her part of the lease,  one time I had a really bad tenant,  she was in her 20s with 5 kids and no job,  Housing authoirty was paying the 100% of her lease but anytime I was on the property she was with  some "visitors"     normally more than 5, after having osme discucions becasue she was not a clean lady I asked her to leave,  the good thing is she moved out without any legal action,  Be careful accepting the tenant,  even they are coming with the voucher,  you need to do your due diligence all the time,  credit score is not an issue but eviction yes Good luck 

When I did my best to explain I couldn't make an offer he went on a rampage... he was screaming, yelling, telling me I have no respect for seniors, I'm just like all the "others", he even rambled something incoherent about Hillary Clinton... at the end of his screaming he demanded I tell him what I would buy it for, I gave him a stupid low price and he hung up.

I'm in Pittsburgh and I'm ready to scream.  

They may yell or scream at the dog or be mean, but they aren't leading.

 @Bjorn Ahlblad     And here i thought there were no good deals out there....2135 california st in san francisco is being "offered" at a screaming 3.9% cap!

You might be able to sue for damages as well for the costs above and beyond normal wear and tear.My advice - step into a closet and scream profanity at full volume. 

Also being awakened by them has been spectacular - nothing beats being jarred awake at 6:15am by a toddlers screaming at the top of their lungs horse playing in the front yard.

This just screams shadiness!

Or does it scream scam?