High Temperature Apocalypse: I Stock up on Supplies to Build a Safe Fortress

Extreme high temperatures suddenly hit the world, with temperatures soaring above 70 degrees. Rivers dried up, cities lost water and power, and civilized order collapsed overnight. What followed were monstrous tsunamis, floods, and plagues. Humanity fell into an unprecedented desperate situation. In my last life, I was soft-hearted and kind-hearted. All the supplies I had collected were robbed by my relatives, friends and neighbors, and I eventually died of thirst and hatred under the scorching sun. Once I was reborn, I went back to a month before the apocalypse broke out, and accidentally awakened the power of infinite space. In this life, I spent all my wealth and stocked up like crazy. Mineral water, food, medicine, and weapons filled the space, transforming my house into a safe fortress with iron walls. The heat is scorching, but the inside of my house is as cool as spring; The city is surrounded by floods, but not a drop of water can penetrate my home; When evildoers come to rob, I suppress them all with thunderous means. Holding space in hand, sitting on tens of billions of supplies, See how I survive the apocalypse with high temperatures, tsunamis, and the dangers of human nature, Isolate yourself from disturbances, be alone, and stay safe until the end!