However, I believe that you can (and I would) ask for a letter from a certified professional stating he has a disability and that this animal is required for that disability.  

am I ready to tackle a turnaround project of this nature?  

Nature is beautiful, comforting, relaxing, and soothing to my soul. 

People that signed for the foreclosure company certifying that they reviewed the loan file and were certifying it correct.  

Search "legal notices required" in your state eviction laws, it may be accepted along with personal service, physical postings and certified or registered mail return receipt requested

If you are smelling something such as a natural gas leak, that is not something picked up by a CO detector (that I'm aware of) because that's pre-combustion.  

You could start with a certified letter with strong wording about your next step.

Did you send the check via certified/registered mail for proof of delivery?

Send a demand letter via certified and regular mail to the seller giving them 10 days to correct the issues or you will be filing suit for non disclosure-If the repairs needed are less than $10,000 small claims court is an option as the cost will be less than $200 and no lawyer is neededMost of all just don't panic as you have some options. 

I'm going to school for my degree in BioChemistry emphasizing on Dietetics, I'm an Army Veteran, and I'm a certified Nutritionist & Personal Trainer.As a soon-to-be 28 year old father, my greatest concern for my future is the volatility of my current profession.