Here are a few items to look out for:1) HVAC Filters 2) Pest control, especially here in the South3) Gutters/water4) Yard/lawn5) Fireplace/Chimney 6) Water heater maintenance 7) Dryer vent cleaning8) Door and window seals 

The client was aware of the issue and attempted to fix it but did not fully resolve the problem, which resulted in an environmental hazard and tenant complaints.Bed Bug & Pest Infestation Lawsuits – Most landlord insurance policies exclude coverage for pest infestation lawsuits, such as bed bugs, roaches, or rodents.

What happens when the HVAC breaks down, plumbing leaks, or pests become an issue?

Even large and small businesses with intangible residual services like TV, internet, security, pest control or the local contractor with remodels in process could fall behind on payments revenue contract. 

Ordinarily I would agree, but you have to account for the fact that the tenant saved the landlord a boatload of money by mitigating the leaking roof before it caused serious interior damage.Also, when I hear of rat infestations, I think of landlords not doing a lot of regular maintenance and housekeeping of common areas.Precedent for the remainder of the lease under a course of dealing theory?

My $2000 also covers stuff that inevitably break under normal use - I had to replace a washer $700, a stove $600, a microwave $100, and a grill $400, all  within last 2 years, and paid close to $1000 for various service calls by electricians and HVAC techs and pest control. 

I hear from other roommates that they have requested pest control as well.

City recently did a building inspection and we noticed the tenant is smoking in the unit (cigarettes and marijuana), food waste everywhere leading to building pest issues, and there are 5 people living there now (3 adults and 2 kids).

Property needed some TLC as it had some termite damage and active infestation at time of move in, got quotes from contractors to replace some studs but all quotes came in too high so ended up doing most of the work on the home myself which meant the home sat vacant until January 2025 at which point i placed on rental sites but still waiting for vacancy to be filled.

But he doesn't do everything, in particular plumbing, electrical, or termites/pests.