The risk of property damage or a lawsuit from a dog bite is too high. 

You have no more at risk than you do in your own home (where you probably have more equity.) or your own car (where you probably have more risk.) and we won’t talk about if you have a pool or a dog. 

Your real estate happens to be a % of the larger piece. 

If your unit doesn't stand out in other ways considering adding amenities like a hot tub, backyard mini golf course, making your airbnb dog friendly, etc.

They are coming to your property if you allow them or not (you cannot forbid service animals) Consider the facts: https://www.dogster.com/statistics/pet-travel-statistics-tre....Top 12 Pet Travel Statistics78% of American pet owners travel with their pets each year.54% of cat and dog owners plan to travel with their pet.58% of people would prefer to travel with their pet over a friend or family member.52% of travelers base their travel plans on accommodating pets.About 75% of luxury, mid-scale, and economy hotels allow pets.In 2019, a total of 404,556 animals were transported by airline.Nearly 64% of travelers prefer to travel with pets by car.42.9% of people look for a destination with hiking and fresh air for pet travel.Dogs make up 58% of the pets traveling around the world.37% of owners take shorter vacations because of their pets.10% of travelers have hidden their dogs to travel.27% of dog owners go the extra mile for their pets.

Exactly 1 year later my first tenant moved his family in where his kids and dog can play in the massive yard while raising 2 cows in the barn.

Aiming for larger properties on your first deal (100+ units) is definitely very ambitious. 

Poor communicators, poor housekeeping skills, prescription med abuse, big dogs that they couldn't properly care for, damaging, etc.

You can find online which larger institutions are buying in a specific area and try and reach out to them.

Cat odor is far more problematic than a small dog, but I would check landlord references to confirm how they've maintained their last residence.