You can't report tenants without some legitimate concern for the safety of them or others.

You need to do extensive due diligence to make sure the turn key company is legitimate and a good business decision.

I began to look into a hard money sources and the Hardmoney lender Seemed to legitimate and we begin to go through the process and we got to actually making a payment in the payment was 1250.  

This enables you to use their money and their expertise in vetting a deal which will be a great training experience for you.You will fin din that process you will connect with people wanting you to help them find deals. 

The wife checks out but her husband has a litany of criminal charges: hit and runs, DUI, etc. from not too long ago.Is this a legitimate reason to deny them? 

It's easy to know if they're legitimate.... if they require an up front fee more than an application fee (couple hundred dollars, tops), and possibly an appraisal ($300-$600), walk away.

“You have to respond to leads, even legitimate leads, within minutes or someone else scoops it.A Zillow Group spokesperson also confirmed that the ads are fake and told Inman the company is working to monitor scammers who use their logo or domain to mislead the real estate community.

  :)  Tax-ignorant clowns like Grant Cardone (who amazingly holds an accounting degree) love to "teach" bogus "tax-saving loopholes" - like put a business sticker on your car to make it deductible.You car is only deductible if it is actually used for a legitimate business, as @Lance Lvovsky explained. 

The duration of the lease, if a lease (Assuming it's a legitimate lease).

If something legitimately breaks, we'll take care of it, but this is one of those "Help, a lightbulb burned out!"