1. Yes, multiple guests can share the same credit card number.
  2. No, multiple constituents cannot share the same Bidder ID number.
    1. If you wish spouses to share the same paddle number, they also need to share the same constituent record – for example Brad and Christine Jones are entered as Brad and Christine in the first name field.
    2. If they are separate constituent records, you could assign Christine bidder ID number 156 and her husband, Brad, as bidder ID number 1156.