Answers:
Just between your teeth and cheek.
about 2-4 weeks.
the mouth swap is probably the worst drug tryout given. They are extremmly poor at getting accurate results. I used to smoke everyday and I took one and it never showed up. I am not the one and only one that this happen to. I did some research on it and found out that the're the worst out in attendance to audition next to.
they swab your cheek, tell what you smoked up to one month ago.