Know your limitations, know the limitations of your boss, do your best on the job and know when to stop pursuing an issue. Your greatest asset on the job is your motivation to achieve and produce. No matter what your job is, always let your work leave a mark of excellence. Treat your customers with respect and kindness. Welcome them into the store with a smile and a friendly greeting.
Customers love being recognized by an employee of an establishment or a store.
They feel more comfortable to shop or do business with your company compared to when they are treated like intruders. Never complain to a customer about problems you have in getting things done, it denigrate the quality of your service. I recommend a book, Overcoming the Invisible Crime . This book will help you learn more about office politics, crisis on the job, and the effects of job crisis on personal life. It discusses the painful agony endured by a supervisor from the hand of an abusive head of the department.