collapsible cooler, duct tape, zip lock bags/containers definitely, door alarm,. I have to be cautious of luggage weight but i like to bring the cheeses and catfish cause thats what i like and can't get there, (I stay 3 mos or more). i also found otc meds relatively reasonable too, but some 1st aid supplies, medical info and numbers, list of meds, medic alert bracelet if warranted.