Also if you deduct for the light and not the wall if they try to claim you were unreasonable you can bring up that you let the walls go in an attempt to be fair.  

Buyer warrants and covenants not to take any enforcement action against any Obligor that would be commercially unreasonable or create any liability for Seller.

Logo does not change it unless you can demonstrate that the logo is ordinary and necessary (the underpinnings to any business / rental deduction).Overall you need to be wary of unreasonableness.

As others have mentioned it just makes you look cheap and unreasonable.

I can at least  report that The good news in America is you can literally start with nothing and become affluent  with the right knowledge and unreasonable unwillingness to give up !

If you talk to 500  people who are in a position to buy or sell real estate each month, it is unreasonable not to have a sale. 

Part of the problem is that everyone wants to compare this strategy to "just paying the same amount (what you would have paid to the HELOC) to the mortgage every month", but no one is really doing that, so it's an unreasonable comparison.

Again, if you have an unreasonable owner you shouldn't be managing their property.2) Communication.

The landlord actually wanted to bump rent up by another $200 for the next tenant.Glad we took the steps to find a different property, the landlord we were with was unreasonable and did not have a realistic idea of what the property was worth.

it might help to be able to point to your real estate agent as the unreasonable person who won't let close without resolving the issue.