What kind of questions do they ask at job interviews? Examples? Please help, first interview tomorrow!?

Well I had an interview at best buy and i know it did not go to well so they asked me questions like this 1. When i have gone above and beyond for a customer 2. How do i handle a customer when they won't buy an item 3. How do you persuade someone to purchase something? 4. What does good customer service mean to you? But today i fell into a trap where i was not prepared to answer these questions and i suffered so look at sites with typical interview questions and practice them all so you won't get caught off guard and not have good answers. Also do not try to be perfect and engage the interviewer and have a conversation with them. I tried to be perfect and it showed I was not prepared. You will know after if you had a good interview or not.