Not knowing if you have enough staff to cover the operational needs of the business in any given shift. Also not knowing if you're going into work and it may be your last day, as they tend to let employees go without warning.
Only few hours when I was working there in a day and as a part timer.
Traveling to work
Stress is a reality, No stress means something is not right. We should not be complacent. Proper focus on tasks would help achieve the desired result.
They do not accomodate the way people learn. They should hire according to previous retail experience if they wish to be this way, and not raise the hopes of individuals like me.