Hot take: the best prepper advice I got came from a 74 year old named Walt at a yard sale in Tulsa
I was buying a $5 hand crank radio off his table last Saturday and he asked what it was for. When I said prepping, he didn't laugh, he just pointed at his garage and said he lived through the 2007 ice storm with no power for 9 days and the thing that saved him was 20 gallons of water he'd stored in old milk jugs and rotated every 6 months. He gave me his handwritten water rotation schedule on the back of a receipt and it was more useful than anything I've read online. What's the best tip you've gotten from someone who actually lived through a real disaster?