Call DEC and tell them they are harboring a pet squirrel - that should be enough to send out a crew of people to get rid of them.

It's also good for insurance and legal reasons, because you will need to indicate every adult and all persons, as well as details (like children, pets, etc.), on the lease.  

Consider all the things that could go wrong and see if the lease addresses them: unauthorized pets or tenants, early termination, security deposit, lease violations, late rent, eviction, lawn maintenance, parking, etc.5.

., laundry facilities, pet fees).Fixed Expenses: Include mortgage payments, property taxes, insurance, and property management fees.Variable Expenses: Include repairs, maintenance, utilities, and any unexpected costs.Capital Expenditures: Set aside a portion for future big-ticket items (e.g., roof replacement, appliance upgrades) as a reserve.3.

You can charge pet rent, a pet deposit, or both.

If this is in Georgia which is an attorney closing state  I can hook you up with some real estate attorneys who have teeth and are not afraid to get their hands dirty. 

For example including a washer/dryer or allowing pets.

With respect to Tenant's back grounds, pets, rental history, job status etc etc we are always looking to learn but feel that aspect is strung and thorough.

For example, my ad will state whether we accept pets, that we want provide income around 3x the rent, and that every adult must pass a credit/criminal screening.

As easy as this sounds, it's not simple and usually like pulling teeth.