A few questions:- Are these 2 items deal breakers?

What happens if the construction takes longer, you run into contingent items etc.

Rajib, I understand you incurred financial losses here, but these items are typically considered "Wear and Tear". 

Mortgage interest is only deductible if you have more "itemized deductions" than your "standard deduction."

I'm trying to start my own books in QuickBooks to keep track of acquisition costs, depreciable assets, and other items that are not tracked in my PM's Buildium books.

Explain your worries about potential damage to the new porch and noise disturbance, especially if it's causing vibrations that could affect the structure or annoy neighbors.Consider Amendments: If your lease agreement doesn't currently address items like punching bags specifically, consider adding an amendment that outlines rules for using outdoor spaces to prevent future misunderstandings.Document Agreements: Whatever agreement you come to with your tenants, document it in writing to ensure clarity and as a reference in case issues arise later.If you need any further assistance or would like to discuss please feel free to DM me!

The common area language should dictate that personal items are not stored in common areas, it may also address maintenance of those areas, but you will need to amend it to address outdoor furniture and grills. 

I know that is not always the case with functionality items for homes. 

I believe they stopped using knob and tube wiring sometime in the 40s.Roof - Of course in that amount of years, most likely the roof has been replaced at least a couple times, but this is also a big ticket items to look closely at.Plumbing - I think it was sometime in the 80s when PVC pipes were starting to be widely used.  

When would I need to secure items for installation like the kitchen cabinets and toilets, etc.