Let me propose a new flow for Quick-Checkouts, complementing or enhancing the self checkout:
Let an automation run daily at a certain time (for example 8 or 9 am) with the following process:
- find reservations ready to check-out today (balanced bill, check-out today)
- check if a company is attached to the reservation or if a routing rule is applied, possibly also exclude reservations based on rate or rate group filter, skip those, but include the ones that are to be paid with a virtual credit card.
- check if an email is attached to the reservation owner, if not, skip
- close and send the bills (where the bill is to be issued to the reservation owner) for reservations that pass above filter
- together with the bill send an short email with a link to check-out the reservation.

The final goal: Eliminate manual check-out for most reservations that are either prepaid, paid at CheckIn, or travel-agency paid. Allow guest to easily (button in email) declare that they left the hotel.