The owner becomes the integration.
A reservation arrives. Guest context moves into messages. Cleaning becomes a task. A purchase becomes a receipt. Finance needs the explanation later. Someone has to keep the chain intact.
Copying, checking, reminding, reconciling, explaining, and reconstructing context are all coordination costs. They grow even when the underlying work has not become more valuable.
Booking channels
Guest messages
Spreadsheets
Tasks
Receipts
Accounting
