I used to be a customer service rep, and I can tell you from experience some reps will go above and beyond. 

Then look at the assumptions.

In my opinion, it may be more productive to calculate ROI or IRR which would be a more complete picture of your returns, both while holding the rental property and when sold (making some assumptions for realistic year over year appreciation). 

Super customer oriented.

I think that is the meat of what you're asking.Note this makes several assumptions surrounding the member's facts and circumstances. 

They want customers to purchase everything and they will pick it up.

However, I don't want to be condescending--I could see that annoying them, a customer trying to tell them how to do their job. 

A custom modular will be about $190/sq ft.

Amazon is where America shops and they now incentivize every single customer to BEGIN their RE transaction in Amazon's ecosystem (people love free junk).

I've been asked by the VP of Commercial lending to draft a letter to present to the board regarding the issue as I was a party to the transaction and a customer of the bank.The buyer was guaranteed by the lender that this appraiser is not to appraise any additional purchases on my clients transactions.I'm just looking for some type to legal, privacy information that may help determine if there was any wrong doing.