He fabricated a new pan and replaced a shot king valve on the AC for a total of $1K.

Call around your local fabricators.

They include: the sale of finished products, materials, or merchandise that are not fabricated into and do not become a part of a structure under the common law of fixtures; an owner who contracts with a registered contractor, but not if the owner performs the activities of a contractor for the purpose of leasing or selling improved property owned for less than 12 months; any person working on his or her own property or residence, but not if the person performs the activities of a contractor for the purpose of selling, demolishing, or leasing the property; and an owner who performs maintenance work on his or her own properties, or who uses his or her own employees to do such work.

-not cheap, but fabrics that can cleaned easily.

My skills and include education, community partnerships, design, tech (including 3D modeling and digital fabrication, audio production (could help anyone interested in starting a podcast :-) My wife who is my partner is an amazing artist and interior designer with degrees from Moore College of Art and Design. 

To help out I provide free laundry detergent (tide pods) and fabric softener which cost me 40 cents per wash.  

However, when I got my hands on it via e-mail - it was clearly a lease they had hastily fabricated.

You don't need to concern yourself with anything until her attorney attempts to contact you, at which point you could turn it over to your insurance company. most likely it is just a ruse to try and distract from her failure to pay rent and depending eviction. people can sue for anything at any time, even if It's a complete fabrication. unless you were knowingly negligent, you should have nothing to worry about.

During that time they mismanaged my buildings, placed non-paying tenants, as well as fabricated work orders in order to get more money.

Cats will generally only scratch on fabric, I've never heard of a cat to scratch wood.