My handyman stopped by a couple of times for repairs and gave me updates on what he saw; however, with me needing to notify the tenants before being able to enter the house the tenants were able to conceal what I suspected but couldn't find any hard core proof.

#1-I have done many double closings but prefer not to due to the extra costs and being in the chain of title if even for a minute, but it is a way to conceal your profit amounts from the owner who will think you screwed him when he bought from you , and a buyer who will think you screwed him.when he bought from you.#2-I like land trusts and LLC's to do the same concealing thing without the extra costs.

If you live in a state where the inspector is licensed, he could get in hot water for ethical violations and concealing a conflict of interest in his reply to you.Was it a full scope home inspection?

The Statutory Fraud Act does not always require you to prove the seller’s knowledge of a condition, so in many cases it is easier to recover under the Statutory Fraud Act than it would be to recover based on common law fraud.https://www.nolo.com/legal-encyclopedia/legal-remedies-if-home-seller-lies-conceals-defect-texas.html

If you're hard up for cash then spend $50 on a trail cam and conceal it well enough (perhaps behind some garbage) so it's not easily seen. 

I do conceal carry, but that does not mean I want to have to use that option...

All that said, boilers can be expensive to repair/replace, so when that time does inevitably come, I'll just have the tenants switch to the forced air furnaces and get rid of the boilers at that point.To your concerns about the ductwork in the basement, depending on the layout & size of the area, you could potentially conceal some of the ducts between the floor joists overhead.

The program was effective at concealing the source of funds and it was implemented to attract mortgage brokers looking to enhance their business.  

I do have a concealed weapons permit - have never had to exercise that right (most people are all talk - talk is cheap).I think what you'll find is there are a lot of blue collar, hard working folks out there that just want a clean and safe place to stay. 

What looked like a good roof turned out to be covered in improper patches and soft spots, the attic had improper structural supports that held up a section of the roof, and we found out that our 5BD, 3BA house started its life as a 2BD, 1BA, and thanks to two very well concealed additions had grown to be a decent sized house.