In an interview, you want to ask questions about the business you are wanting to work for. Asking questions about how it started, it's mission/purpose, how long it has been in business, and questions like these will give you more information about what are getting yourself into and will show them that you really want the job. Be sure to research about the place to and ask questions on what it said on their website, it will show them that you are passionate about the job. Good luck!
