Collecting Rags in the Last Days? I Just Took Out the Nuclear Warhead

In the extremely cold apocalypse + zombie crisis, everyone else is grabbing supplies, but Jiang Fan is collecting rags. Everyone laughed at him for being mentally ill, until the extreme cold came, 70 degrees below zero. Jiang Fan took out the heater, a hot hot pot, and even a set of courtyard houses. Everyone knelt down and begged to be taken in, but Jiang Fan took out the QR code: Want to come in? Scan the QR code to pay first. Just when everyone thought he was an ordinary reborn, Jiang Fan's system suddenly upgraded—— [Ding! Congratulations to the host for recovering a nuclear warhead, points earned: 1,000,000!