I plan on using metal washers rather than the plastic ones they come with it.

Get a basic "handyman toolkit" in a formed plastic case.

And, we actually never had anyone want a reasonable accommodation to have a companion animal.  

Kitchen- corelle, service for 8 only ,  extras will disappear, and use plastics- no one is not going to rent long term based on what is in the kitchen cabinets (students break glasses!). 

I've got a few:- Slight crack on the plastic knobs on a sink faucet.

In order to be allowed a companion animal, the tenant has to ask for a reasonable accommodation based on their disability.  

We had one of those plastic kiddie pools that we used as an "exercise pen."

Also, be aware there is a growing number of people with pets who try to convince landlords to let them in under the guise that the animal is a service animal, assistance animal, emotional support animal or companion animal.

Plastic surgeon has a plumbing issue in his house and calls a plumber for help.

We buy nice cloth or pliable plastic ones, mildew resistant, not the cheap kind.