Quote from @Franklin Marquette: For those of you that require your tenants to have renter's insurance, how much liability insurance do you require of the tenant?

My lease requires professional carpet cleaning, which would cost more than $500 for a home of that size.Yes, it's reasonable to reduce the cost because she was such a long-term tenant.

Here's the deal: You don't need to withdraw and return the current security deposit just to collect the additional $100.

Most lawsuits against landlords involve wrongful eviction, security deposit disputes, and Fair Housing Violations.

Yes, you can deduct the 8 days rent from the security deposit.

Now, over a year and a half later, he sent a certified letter last week demanding the security deposit or legal action within 30 days.Please advise. 

Taxes and requirements should be much lower for a LTR

You can read about the differences here: Cost Segregation Study Approaches ExplainedLet’s first start with what the approaches:Detailed Engineering Approach from Actual Cost RecordsDetailed Engineering Cost Estimate ApproachSurvey or Letter ApproachResidual Estimation ApproachSampling or Modeling Approach"Rule of Thumb" ApproachSo which of these approaches is required by the IRS?

You can not do a pet deposit unless your security deposit is less then 1 months rent.

@Jim G.Per the International Residential Code if the glazing is less then 60 inches vertically from a standing or walking surface then yes it’s required to be safety glass as it’s considered a hazardous area.