It was a frequent occurrence that something they would ask for was not available.  

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How frequently were they late?

Are there any cities you visit frequently or have family or friends who could check up on the property?

There probably is no return ductwork, so the upstairs can be toasty while the basement is chilly. 

@Michael Plaks I've posted on this subject frequently on BP.

Or even more small fry like BP real estate investor that focus on $100/mo cash flow in Akron like that one lady.I frequently have these conversation, more often than Option 1 investors which I agree, tends to be new money or small investors.

I think you will see this much more frequently going forward.

The lender will see it and frequently require the buyer clear it before approving the loan.

We frequently hear investors chasing properties that meet the "1% rule" which in my opinion is a  flawed underwriting practice (have posted on that very subject a few times in these forums), but in order to achieve a 14% cap rate your Gross Operating Income must nearly meet 2% of the assets cost assuming your operating expense ratio is at 35% (which is very lean on operating expenses).