You can add cards on file for your users. In your User Settings, you can set if you want users to delete stored cards on file.
Adding a new card on file for your user, if you already have their address it will auto prefill.
If you allow users to pay online (User Settings) your users will be able to add their card by going to their name in the far right corner > My Account > Cards Tab > +Add Card.
When credit card processing is enabled everyone has access to Card as a Payment Type.
Users will be able to pay via credit card at the end of the checkin process.
Click here to watch a short Credit Card Processing Tips & Tricks video!