After rebirth, I will let my family be rich

"Here's 10 dollars, get away from my son!" "Are you alright?! "Grace worked diligently until retirement, but unexpectedly, she was rebirthed at the age of 20 with her retirement bank card. She discovered that the world had gone mad, global prices had depreciated ten thousand times! Two dollars could buy the latest top-of-the-line iPhone; a large apartment (...)