By bring every piece of information thats valuble and needed too the interview. And most important having a clear and clean mind set when arriving. I'v arrived really early sometimes and this method might throw people off sometimes but staying confident is key
Hire competent supervisors. If you can't handle your own and leave your mess at home, maybe customer service isn't for you.
Mornings could be from 9-5 or 10:30-5 or 11:30-5 and if youre opening its 7-3 or 8-5 , nights are 5-1am or 5-8pm or 5-10pm or 5-11pm or 5-12pm