I used to love camping vacations when I was younger. Now that I'm old & decripit, an air mattress is required. Last minute vacations in Minnesota http://livedan330.com/2015/04/09/looking-for-a-minnesota-vacation-get-last-minute-deals/
Ultimate EDC Survival Kit Infographic! Download the high-resolution version here: http://www.bugoutchannel.com/ultimate-edc-survival-kit/ What the video here: https://youtu.be/Uff_R8jhoXg
550 Paracord Sling. Its not a DIY but it's also not that expensive and if you are already handy with knots and paracord, you could make this by studying the patterns.