Big Spender: Summoning Ye Gucheng from the Start

Lin Bei, one of countless orphans on Earth, only understands that money can sometimes mean the difference between life and death when his younger sister is diagnosed with leukemia. By chance, he transmigrates to another world and binds himself to a Time-Space System, using it to travel back and forth between the two worlds. Precious jade, thousand-year-old ginseng, and new technology: he turns them all into cash. Taking one careful step at a time, he slowly begins his path to conquering the other world.