Most metropolitan areas have an abundance of tint shop choices. In the San Francisco, CA area alone, there are 30 different tint shops within a 25 mile radius. How does a consumer choose the tint shop that does quality work? What is the difference between a "Dr. Tint" and a "Quality Window Tinting"?We at TintCenter suggest that you do a little research. First compile a list of 5 potential tint shops that are likely to do good work. Ask your friends an co-workers who have tinted their cars which .