You joined in 2009 and haven't posted anything since? Sheesh....
I don't have any specific information about Medina County, but given the years we've had the CHL program, I'm sure most of the kinks have been removed. Let's see if anybody else chimes in with further comments.
these counties actually handle the process seems to vary from seriously rapid to barely tolerable, but at least you can expect to live long enough to get that renewal
Meantime, don't be a stranger.