Would you share some thought on the prevention measure on some of the items you mentioned? 

I did find an agreement online and will read through it and capture what's relevant.

Due to item 1, adding an ADU can require years to start achieving any return (once the accumulated cash flow recovers the initial negative position).4) Adding an ADU is a slow process.

Simply plug in your Income, Expenses, and a few Cash Flow items and let the template do the rest.  

Short answer: no, not a direct offset.Longer answer: if you already have enough itemized deductions to exceed the standard deduction, then yes.

There is not a single item of hers that has been moved into the house.My question is this, do I need to give a certain amount of notice to terminate the lease? 

Regardless of your field, I encourage you to put on your audience's hat when building a plan or presentation to make sure their action items are clear, else you'll lose their attention.

When he does find a minor item, no title insurance policy, bonded attorney opinion, or warranty is going to satisfy him.

@Ruchi Patel if the walls need repair from damage, like painter will itemize special primer or cleaner so crayons don’t bleed through, then my understanding is you can charge them for that part of the job, but only if it’s an additional charge above the normal paint job fee.

are there any big ticket items coming up that will need to be repaired or upgraded?