You can buy a dozen triangular bandages off eBay for around $12.00 per lot, including shipping. Spread them around: cars, EDC bags, BoB's, etc. Aside from wound management they can be used as slings, bandanas, to secure splints, tinder, dust masks, water filters (not purification, but debris), etc. Each bandage also includes two large safety pins, with their own multiple uses.

I like Gatorade and save the bottles, which are made of thicker plastic than most other beverage containers. I keep a dozen of them in my spare freezer and use them instead of ice in coolers while camping. Bonus is the water inside doesn't get contaminated by food as it melts and can be used for drinking and cooking (though it will have a slight Gatorade taste).