That person answering the phone in the office should be professional and clear. 

I think it depends on how comfortable you want your tenants to be, but me personally I wouldn't add it.

Yes, if the person quit claiming had that right.

As well as leasing without seeing the apartment in person does feel weird.

House hacking will also give you some personal "property management" experience.

Those list are being sent to thousands of people, and the person sending them has to make some money too. 

Other methods do too, but I can personally vouch for this one. 

In comparison to personal residences, investment properties may demand additional documentation and underwriting requirements from lenders; nonetheless, a credit score of 730 is generally regarded as acceptable and may qualify for advantageous loan conditions.

Note that you can only get a chase card if you haven't applied for 5 personal credit cards in the last 24 months.

With that said, it doesn't me it can't be something that the right person wouldn't be able to take care of.