New would have longer life, does not seem cheap in the eyes of the tenant, and is a known quantity.

IF GOAL IS TO CASH FLOW: My thoughts are if you buy in & cash flow & then sell for the same price, objectively you have won.

It makes it easy to leave checks for vendors or other objects in the box.

I lived over 8 years in Abilene when I was flying for the Air Force, and happy to provide any insight for your military objectives.  

Even if the tenant objects to the invasion of privacy.Where if the inspection fails (due to not just legitimate health and safety issue but frivolous things like flaking exterior paint) you have to pay for a re-inspection each time until the property passes?

Can you share a bit about your investment objectives?

@Priyanshu AdathakkarI will concede that the best practice when rejecting an applicant is to use 100% verifiable objective criteria whenever you can.  

I'll probably stay the path of being a mechanical engineer as I like to make and design mechanical objects rather than structures. 

He already asked the rest of our tenants and they have no objection to this blood drive.The plan that he proposes is that he will coordinate with the tenants on this blood drive:. the mobile blood donor coach coming to the main parking area of our retail strip for a to be determined date in June. . 

If you have more than one rental property you'll want to stay as objective as possible with how you're treating tenants.