Having a car is necessary. They warn you ahead of time that you should not expect a great pay at first. The manager conducts the interview and the owner may or may not drop by to join in on the interview. Mainly basic interview questions based on your resume and experience. Your evidence of practical work will be your best selling tool. They will allow you some time after the interview to work on a past case to showcase your skills. Your speed, quality and fuction of the product will be paid attention to.