They claimed to have a kitchen in the basement.

Otherwise, let it go.As a mortgage broker, I can claim what you said is false.

My tenants also claim they haven't made any changes in their water usage but they would be more conscious of it... 

They may not believe that your daughter has actually lived with you.We've seen a spike in rental application fraud, the biggest issue being residency fraud.Applicants are claiming they live with family/friends to hide their true landlord whom they haven't made payments to in months with eviction moratorium.

I am looking for examples of hardship you can claim for subdividing land that does not conform exactly to zoning ordinances.

@Sandra ArnoldIf you are a real estate agent who is / will be involved in real estate, you want to see if Real Estate Professional status is a designation that you can claim in the future.Having a retirement account and deducting health insurance costs are some ways to further decrease your real estate agent commission income.Best of luck

I paid out of pocket until I found out it was the tenants fault, then I filed a claim with my insurance co.They covered it but a few weeks later I received a letter learning they had canceled my policy.

The seller claims its approximately $15k.

I rent to college student here in NY State and an arguement has ensued over a desk between two tenants in which one said they owned it and let the other borrow temporarily and the other is claiming it was given to them.

His negotiation was $900 for January rent, February rent and all damagesIf he does leave you have to start a small court claims (figuring out where he lives because why would he tell you if you are not sending back a deposit) for anything over.Good luck and you can make it work out.