Keep in mind that you may not be working a basic 9-to-5 schedule as the owner of your store. When something goes wrong after hours, or accounts need to be brought up to date, it's on you to make sure that what needs to happen, happens. The hours you work may be dependent on how many employees you have. For instance, the owner of a sporting goods store reported to website JobShadow.com that while he used to work between 50 and 60 hours a week, giving more responsibilities to his managers has allowed him to cut back to between 25 and 30 hours a week.