These are people who have mental health disabilities.  

We told the owner that due to bed bugs we have health issue and are leaving the house, please pay our deposit back.

We know what is most important to them and the health of the business and have learned that insignificant trivial gifts do not enhance your business relationship and in many cases are viewed by tenants in a negative light.Not giving a gift has neither a negative or positive impact, giving a gift, aside from being unprofessional often backfires on a landlord. 

In the event of an emergency related to the condition of the Property that materially affects the physical health or safety of an ordinary tenant, Tenant may callNOTICE: If Landlord fails to repair a condition that materially affects the physical health or safety of an ordinary tenant as required by this lease or the Property Code, Tenant may be entitled to exercise remedies under §92.056 and §92.0561 of the Property Code.

One thing I wanted to add that is not directly related to real estate investing, but can have an ultimate impact on it, is your health.

Your local health dept. should have list of those companies available. 

I attached a little doodle I just to illustrate this.

Kingston Property taxes: 3K-6K                                                     Allentown Property taxes: 1K-3KKingston Colleges: Kingston Center of SUNY                               Allentown Colleges: Cedar Crest College, Muhlenberg College, Lehigh University, Lehigh Carbon Community CollegeKingston Hospitals: Health Alliance Hospital (2 major campuses)Allentown Hospitals: Lehigh Valley Health Network (3 major campuses & numerous satellite clinics), St.

Then she mentions to me that her water is starting to smell weird and that the water is looking hazy and complaining that it may be a health hazard to her and her kids.

Bad health, reduced hours at work, the loss of job, financial emergency or other circumstances will not excuse any late rent payments.d.EVICTION NOTICE: Should the Tenant fail to pay rent by the due date, Landlord may serve an eviction notice, as required by applicable laws.Tenants agree that they are renting the premises together and yet each will be responsible for the full amount of rent regardless of whether any other Tenant within the household should fail to contribute their fair share.SECURITY DEPOSIT: Contemporaneously with the execution of this Lease, Tenant shall deposit with Landlord a security deposit in the amount of $__          ___ as security for the return of the Premises at the expiration of the term of this Lease in as good condition as when Tenant took possession of the Premises, normal wear and tear excepted, as well as the faithful, timely and complete performance of all other terms, conditions and covenants of the Lease.