Supplies
The owner bought “plenty”. On day nine there is one pouch left and the brand is stocked twenty miles away.
Medication is the one that matters
Running out of food is a shopping trip. Running out of insulin on a bank holiday is not, so medication is flagged even when it is only just enough — a delayed flight and exactly fourteen days is the same as running out.
1
Count it at handoverTen seconds while the owner is still there.
2
Put in the daily amountWithout it the countdown cannot tell you anything.
3
Check against the booking lengthBefore they leave, not on day nine.
FAQ
What if I do not know the daily rate?
The screen says so rather than guessing. “Lasts for ever” is a worse answer than “we do not know”, because it gets believed.