Irrelevant, except insofar as that may be why you can't reach him right now - he may have gone home to visit.Also to note, he is a student at a well known and prestigious university here in Chicago, and he is foreign and most likely here on a student visa.
Yes.Doesn't his acceptance of my deposit (the check cleared two weeks ago) mean he accepted the terms as they were verbally agreed to?
No.Does he have any right to change the terms of the agreement?
Get a lawyer.

