It's a complicated defense(as in costly) and pro se isn't the way to win on his part.If your lease expressly forbids pets, Post a three day quit notice, then on day four.... show up with a leash and collar, put the animals into cages, and remove them. 

They are metal/sturdy once installed,  but are very lightweight. 

The outside rails need sturdying up, roof needs a little repair, GFCI needs to go in the bathrooms and carbon monoxide detectors in the hallways.

Keep the tenants on a short leash but chose your battles.

Back deck isn't sturdy, and mold could be potentially dangerous.

My dog loves to run after the squirrels in the park, but she don't get to go too far because of her leash.

I will be beefing up the structural sturdiness of the back deck off the master bedroom and resealing this structure for protection moving forward.

Make it beautiful and sturdy so that you aren't replacing it frequently and guests will want to stay there.

There are several benefits.1) The keep a tight leash on their vendors list in terms of "quality".

With rates rising and prices and rents starting to go down you will see investors not buying homes especially since banks are tightening their leash on secondary homes