By the way, our lease explicitly states that tenants with animals will be charged to place the unit back in a pre-animal state including furnace and duct cleaning (pet allergies due to dander is not uncommon).  

Cat allergies are generally more common/severe, and the urine can ruin a place.

We proved a medical condition via legitimate doctors note expressing carpet is not do able due to allergies. 

“It isn't something the American public needs to worry about or be frightened about, because we have ways of preparing and screening of people coming in [from China]," National Institute of Allergy and Infectious Diseases (NIAID) Director Anthony Fauci.

If it was a service dog, it would be properly trained and this is clearly not the case.You can also state that the sellers found out a dog was in the property and they don't want it coming in again (as an owner, what if they had allergies or a cat on the property??).

Been having medical issues, allergies ugh, and Bronchial Asthma so I need to get my meds, just waiting on the Doctors office to fax the refills to the Pharmacy so I can breath again lol.

I later found out that she owed money to the gas department and her allergy was more likely that she was allergic to paying the bill.

No cats, partly due to damage but mostly due to my severe allergy and our general dislike of them.

I wonder how it would be if other tenants in the same 4-plex, or you, the owner, living there, had dog allergies, would that be enough reason to not rent to a tenant with a "companion" dog?

Also, one of our property assistants has allergies that prevent her from working in units with dogs/cats.