They could have purchased a car with the amount they paid.

Better yet- make a sign yourself and stick it on your car My friend flips in DC- doing very very well.

Youtube search "car sales four square technique." 

Ye Ole Wall 'o text to follow:We have ZERO debt, no mortgage, no car payments, student loans, NADA Debt.

I am specifically thinking about a two car garage that either needs taken down or some significant work to keep it (full roof replacement and retaining wall repairs immediately next to garage which is causing one wall to lean).

A) I guess delivering "in person" is the best, but is it acceptable to knock on door at 8PM "un-announced"  to deliver if I see the car outside?

Seller financing does not automatically make a deal good, it still has to pencil out. 

If the competition has in unit or onsite laundry, car ports or garages, porches/decks, a pool at the facility and other items I may have a difficult time getting comparable rents as long as they still have vacancies available.

But I've been applying many of these same concepts to cars for years.

Applicants with body odder, unkempt appearance, attitude, messy car, facial tattoos any reason you may have.