That experience, though frustrating, will only make you a stronger negotiator in future deals.Cosmetic updates were a good move to increase appeal without overspending, especially in a prime rental market.

About 25 years ago I purchased an auto repair facility out of bankruptcy court that had an environmental problem.  

one of my favorite quick flips.bought court house steps for 125k.. 

A "Price Improvement" suggests that a property has become more appealing to potential buyers due to a reduction in its asking price.

Hypotetically, What if the tenant complain after lease is over, If we need to go to court (don't think there will be case), will it be better for me as lease is over?

If they aren't able to reduce your taxes then they don't get paid.I assume they are selective about which appeals they will take on since there is no benefit to them or the homeowner to not be able to win an appeal, but I have no knowledge of their internal business logic. 

This included installing new tile flooring at the front of the house to enhance curb appeal, upgrading the electrical panels for safety and efficiency, and putting on a new roof to ensure long-term durability.

Make a simple spreadsheet or written list with the features of each and see which ones appeal to you most.

Andersonadvisors.com you can ask for me as well, I am one of the senior strategist and an attorney that is also licensed in tax court. 

Homes that appeal to our target tenant segment range from $350,000 to $475,000, so the supply of housing we target remains almost the same regardless of how many new homes are built.DemandPopulation growth drives housing demand and price and rent increases.