you should, especia lot if there is a group of you.
No, but you should. They can get very busy.
No but it helps , they get very busy and its hard to get a walk in time slot.
No but it certainly helps. Even with an appointment it's about 45 minutes before you go up
Yes. I tried walking in to add myself to my brother's appointment and was told all time slots were taken for the day. Maybe if you go early on a week day you could just walk in.
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