Is there any harm in asking?

No harmful elements or presence of mold that would otherwise prevent living in the home. 

I think hard money is a high risk scenario that does more harm than good. 

Residential late fees are usually covered by state law, trying to sting your tenant on a late fee becomes predatory and actually, if you're the one who put them in financial harm in paying other bills a good attorney can zap you better than you zapped your uneducated tenant.I posted notices for late rents according to law, sometimes within the hour of close of business.

It could potentially be very harmful to your net cash flow. 

@Yenlan Patton you could try reaching out to http://www.dfwtenantevictions.com/ I have not used them but they are in Arlington so no harm reaching out to them.

What is the harm of painting over a thin layer of non-greasy gunk during every apartment turnover?

You need to submit the appropriate form to the Asset Manager.The home will come back onto hudhomestore and he can submit a lower bid... no harm, no foul.

There is absolutely no harm in switching brokerages later on if needed.

It is absolutely true that the individual remains fully on the hook for the debt.Thus, a smart lender would say “No Harm, no Foul”.