yeah i know there is a million post about unlocking a phone but here are a few questions. 
#1 if i go and buy a cell phone from AT&T will it have a SIM card that can be removed or is it fixed into the phone?
#2 if the SIM card is removable can i just place it in a another phone and use it with my AT&T account?
#3 if none of the above are right can i buy two unlocked phones and switch between the two and use them with my AT&T account?
basically i want to have two cell phones that i can switch between and use on the AT&T network not at the same time of course. How can i accomplish this?
Thanks
#1 if i go and buy a cell phone from AT&T will it have a SIM card that can be removed or is it fixed into the phone?
#2 if the SIM card is removable can i just place it in a another phone and use it with my AT&T account?
#3 if none of the above are right can i buy two unlocked phones and switch between the two and use them with my AT&T account?
basically i want to have two cell phones that i can switch between and use on the AT&T network not at the same time of course. How can i accomplish this?
Thanks