Many != All So prices are numbers (if supplied in cents, the smallest unit). There is length/depth/height/weight/... A lot of things are actual numbers. Why su

Many != All So prices are numbers (if supplied in cents, the smallest unit). There is length/depth/height/weight/... A lot of things are actual numbers. Why supply them as string? I agree partially with you but think ZIP are a very bad example because a zip itself may also contain letters.