Did the Gitmo Detention Center exist before 9/11?
No it didn’t, so it was never some sort of a reason for increased Terrorism as Obama likes to say.
As far as the cost put Prisoner, just have Sheriff Joe run it. Pink Underwear and Bologna Sandwiches for everyone.
Just tell the Prisoners that the Bologna is Halal.
Or permit them to choose martyrdom by starvation; give them the choice.