I just basically tell tenants if you insist on being present I  will be considerate but you need to change your schedule to accommadate repairs. 

Quote from @Jami Lynn:  If the seller is one of the "recognized" "minorities" (that's who've we always had problems with later) we insist they bring along a family member or best friend "to help celebrate" (be a witness) and we get them on video too of course.

Esp the insistence when there is supposedly other offers.Anyhow will do but doubt it’s a flip.

---So, insist on them providing the rental application and supporting docs for your review.

He told me that since I insisted on meeting him at Starbucks months before, he was impressed and gave me the first call. 

If your market is too expensive for your budget or you insist in going out of state, try going in an area that you know someone. 

Also insist on the caseworker inspecting the unit, with you present.Check locally for "ageing in place" for tenants, there are bound to be advocacy groups that will have resources.

I will let them come to an open house if they insist but I won't set up an individual showing. 

In all of those years, I have only offered a multi-year term twice...and both times were at the insistence of the property Owner.

If they insist the vehicles belong to them, then I would ask why they weren't disclosed in their application.