adding schools ot AMCAS after verificatoin.. how long does it take

hey i posted about this a couple days ago and since added 4 schools. I read on the amcas site that they transmit them the same day but they did not. Has anyone added schools after their aamc was complete. How long did it take to show that it was transmitted to the schools? This board is crazy cause its making me think there are NO spots left at medschools. However itis a fallacy because everyone i talk to in real life is still not even sent in most of their secondaries. It is just this board is full of overachievers! haha jk but it scares me reading these posts!! keeps me on my toes though!