Rebirth after the Doomsday: Start with 10 billion to stock up on food

Introduction: The end of the world + rebirth + decisive killing + revenge + hoarding supplies. Chen Chuan died in the end of the world when his teammates backstabbed him.When I woke up, I was reborn 7 days before the end of the world.The space ring I obtained in my previous life is still there, a huge space of one hundred cubic meters.Chen Chuan decided to spend all his money, borrowing money, borrowing loan sharks, selling the stocks left by his parents, and spent 7 billion in seven days to stock up on food.After the end, the rest of the people were struggling to eat and drink.But Chen Chuan was lying on his leather sofa, eating and drinking every day, chatting and laughing...