For this Head Cashier position they generally like to promote from within the company. They hire outside the company if you pass the interview process and have experience supervising Cashiers. Cash handling experience is a must. Customer Service skills are a must. And when you are asked what the most important skill to have in retail answer with "Time management". That answer will score you the part if you have the right skills.

Easy. Online application then in person interview. It is not a difficult interview. They just ask basic questions and they are not hard to answer. It is not a hard job to get.