If they are unwilling to do that, then do no renew the lease.The water damage is a bit more tricky...since its a defect in the unit that created it, and they just did a ****** job of reporting it, then its harder to stick them with the bill.

Had I been their agent, I would have never let them put in an offer on a home with such obvious defects.

But sometimes there are outs (defective foreclosure auction, equity in the property above the mortgage, etc).

I have this on my lease: "Tenant accepts the cost of clearing the drain of any and all stoppages within the property except those caused by defective plumbing, tree roots, or act of Nature or God."

As with any rental, you should conduct a walk through with the tenant and document any defects. 

Baby proofing a unit is not the responsibility of the landlord.The heater unit is installed as built.... there is no defect in it that is the responsibility of the landlord to "fix" to make it meet original manufacturer design.

Claiming health defects from mold exposure, along with a laundry list of demands.

Unbelievable • His insurance won’t cover because as it turns out commercial liability does not cover craftmanship defects they need E&O insurance for that, hard lesson learned, 95% of small contractors will not have E&O, it's an extra cost for them and only the larger construction companies carry it.

Years later I was refinancing and they found a title defect.

Tenant agrees to comply with all duties required by Wyoming Statute §1-21-1204: maintain the Premises in clean and safe condition and not unreasonably burden any common area; dispose of all garbage and other waste; maintain all plumbing fixtures in a condition as sanitary as the fixtures permit; use all electrical, plumbing, sanitary, heating, and other facilities and appliances in a reasonable manner; prevent water pipes from freezing by turning off outside spigots, disconnecting hoses, and keeping the rental heated to at least 50 degrees; replace lightbulbs, air filters, water filters, and other consumables as needed; test smoke detectors every six months and replace batteries as needed; immediately notify Agent in writing of any defects or dangerous conditions Tenant becomes aware of; replace broken or cracked glass, no matter the circumstance of breakage, unless the Tenant provides Agent with a police report detailing breakage beyond the control of Tenant; pay to repair anything damaged by the Tenant, his guests or invitees, whether through intentional act or negligence; upon termination, remove all personal property and garbage either owned or placed on the Premises by Tenant and clean the Premises to the condition at the beginning of the AgreementCreate a policy and stick to it.