Add the Sep 21 full-page printout and fill the Markdown summary with
details it was missing: approach routes, host email, cell coverage
caveat, extra house rules, supermarkets via 120/140, water outages.
Save the host's password-protected welcome page (door code, wifi,
local staff numbers, directions, house rules) and the Booking.com
message thread. Put the door code and wifi in the Sep 22-23 address
tables so they are on hand without signal.