So I've been more in the mode of burning Marriott points vs. earning them this year (you only have to treat me poorly just once to wind up on my poo list). My initial three stays included two one-night stays at a CY - just weren't any good SPG options in those cases.
In any event, since completing the three initial stays, I killed about a week @ the Marriott Beachside Key West using a combination of points and cash. Do those nights count towards the extra 10 nights for 15k points since money changed hands? I might be willing to stay in a Marriott the extra two nights required so these points can be used later or folded into my SPG balance.