It shows your tenacity and resolve to pursue a problem in an effort to right the wrong.Yes, if you know deep down within your bones that you are 100% right on an issue, then, gather supporting evidence and be ready to argue your case effectively as you did.You saved money now and in the future, by doing the bulk of the discovery yourself and are now proud of the end result.

If it's undeliverable, you learn she's skipping AND when it comes back to you, save it for evidence in court (if such occurs). 

Consider a photo or two that gives graphic evidence of your point if view without revealing addresses of other tips to location.

Any evidence of intent that you have can be helpful.  

If the appraiser won't, send evidence that all 4 rooms you want called bedrooms are actually bedrooms.

If they don't agree then and only then let them now that you intend to countersue if they take legal action with the the evidence of emails and phone calls for failing to uphold their end of the lease. 

- to use rents from a vacating residence, yes, you do need 30% equity evidence via an appraisal however there are other ways of utilizing rent from your vacating residence with out as much headaches it just takes an out of the box type thinkerGood Luck on things.

Maximum financing however, is available for: Borrower related by blood, marriage or law, such as - Spouses - Parents-children - Siblings - Stepchildren - Aunts-uncles and - Nieces-nephews or Unrelated individuals who can document evidence of a longstanding, substantial family-type relationship not arising out of the loan transaction.

I'd suggest having a checklist set up by room, walk form room to room checking items off (do smoke detectors work, evidence of damage, evidence of rodents, etc with Y/N), and work your way through the property, trying to make small talk rather than discussing what you are looking at/for.  

But a bad tenant is worse than no tenant, and the evidence makes it pretty clear that you have found a bad tenant.