How do you want to enter it?
In Google Calendar: Other calendars → + → From URL, paste this address. Orders will appear automatically (Google refreshes every few hours).
Custom cohorts with an optional guidance discount.
Active weekly series. Stopping one keeps past & in-progress orders, and removes only the future ones.
Every change in the CRM — who did it, when, and what. Restore an order/client edit if something was changed by mistake.