Farming My Way to Wealth While Fleeing Famine with My Medical Skills

Once you travel through time, you start off by fleeing from famine, with no money or food, and only a dozen or so people left to eat. What other people eat is either wild vegetables or bark and rhizomes, while what they eat is all traditional Chinese medicine. Don't ask why, because their family is studying medicine, and filling their stomachs comes first. Huang Zisu leads the whole family to fill their bellies and run towards a well-off life. At first, Huang Zisu just wanted to fill her stomach, but in the end, how did she end up with more and more money?