Go Back to the 1980S and Become the Richest Man with Modern Knowledge

On the New Year's Day in the South, I took my sister to buy New Year gifts and New Year goods for her future sister-in-law Lin Xi. Who would have thought that on the way back, I was hit by an out-of-control car. When I woke up, I found myself in a shabby little house. I asked the owner of the house and found out that I was back in 1980...