What if the guest does not have, or does not want to use his/her credit card for a card key?
If a guest is a cash-paying customer, or if they should choose not to use their credit card as their room key, the hotel would issue a pre-encoded magstripe “house” card to the guest. This house card could include custom artwork such as the hotel logo, picture of the hotel, etc. (A great, inexpensive marketing tool.