Here's my Mexico list:
Prep
Ice chest
Food storage containers
Hand wipes
Paper towels
Cups
Forks/knives/spoons
Bowls
Plates
Toilet Paper
Sandwich bags
equipment
2 Folding chairs
First aid kit
Emergency food/water
cans of soup, MRE, hiking food, etc
Sleeping bag
Spot lights
Tow rope
Driving gloves
Helmet/Goggles
Binoculars
Camera/charger
Army Shovel
Head lamp
Mechanix gloves
Chain/Locks/Keys
Car cellphone charger
WD40
Tie downs
Rope
Sand paper
Wire cutters
Vise grips
Safety wire
News paper
Lighter
Mag lights
Tools
Zip ties
Duct Tape
Microfiber cloths
Rags
Personal
Truck registration
Truck insurance
Passport card, NO passport
Mexican insurance
Emergency numbers
NO Birth certificate
Put personal docs back in safe