30 people are in two lines, why? There are four check out lines, and several employees standing about. Why?

Cheap prices mean less employees.

schedules are made weekly certain days are slower than others so they only schedule certain amount of cashier's to cover for the day whether employees are standing around they might not be able to go on cash cuz they're not hired for that that could be the reason why

Because they're lazy 🤷‍♀️

I don't know that