When i was a bit more flush, i would order parts Willy nilly knowing that i needed them eventually and many times could not keep track of what was on order and what was recieved.
I like calling the UPS store. Waiting for him is totally above board considering how much effort has already been spent trying to get him to respond.
Well, I'd hate to see him going through some issues and lose his stuff... And Yes the OP has been trying to make it happen. I don't know the Guy, but hope him and his Family are not having issues