1. Use AAA batteries in AA battery gadgets by making up the difference with tin foil.
2. Slip a $20 bill in between your phone case and your phone so you’ll always have some emergency funds on hand.
3. In a pinch, you can write a message in a bottle and send smoke signals with a crayon.
4. Soak cotton balls in paraffin wax or petroleum jelly. Later, you can use them as fire starters.
5. A coffee canister will keep your toilet paper dry.
6. If you cover a bunch of branches with a tarp, you can build yourself a makeshift raft.
7. Tic Tac containers are perfect for spices and dry condiments.
8. Instead of plastic bags, transfer food like beans and rice into plastic bottles. They’re less likely to rip and spill.
9. An Altoids tin with corrugated cardboard can be used as a tiny portable heater or light source.
10. Wolverine your hands with your car keys if you feel unsafe walking to your car.
11. Water, brown sugar, and yeast will make a chemical-free mosquito trap.
12. A water jug and a head lamp make an ambient lantern bright enough to light up a tent.
13. Add a layer of sand insulation between two terracotta pots. Water the sand and place your food in the smaller, center pot for an off-the-grid fridge.
14. In an emergency, you can fill a flat tire with grass.
15. A glow stick and a mousetrap attached to a tripwire make a lo-fi security system. If the trip wires are triggered, the snapping of the mousetrap will activate the glow stick and alert you to an intruder.
16. You can also use the glow sticks to keep an eye on where everyone in your party is as you move around in the dark. Coordinate signals to communicate quietly across large distances.
17. Your glasses can be used as a magnifying glass to start a fire.
18. Trash bags work as ponchos if you’re caught by surprise rain showers.
19. Turn soda cans into quick and easy hooks with just two snips.
20. A mechanical pencil and a thin piece of string create a tick-removal lasso.
21. Baby oil will help prevent frostbite on the part of your face that’s exposed to the elements.
22. Doritos? They’re great for kindling. Best not to spend too much time thinking about this one.
23. A wick in a jar of vegetable shortening creates a long-lasting candle in an instant.
24. A piece of chalk will help you keep from getting lost as you blaze your own trail.
25. An aluminum can sliced like this, with just a small candle, will have maximum reflective properties for the brightest light.
26. Duct tape, along with about a thousand other uses, can be helpful in opening up a stubborn jar.