Be sure to verify that there is internet before I stay anywhere.
Do not eat anywhere for lunch for 150 euros no matter how good it might look. Even if it is good.
Do not drive 5 hours in one day.
Do not eat raw garlic. (How many times must I tell myself this??)
Do not leave the house house (room, whatever) without a completely charged phone.
Check the room size. 7×9 might not accommodate 2 people and their steamer trunks all that well.
Do not drive into a walled city.
Verify the hotel has parking within at least a quarter mile.