Reborn in 1985, Giving My Wife and Children a Happy Life

No system + not brainless + lighthearted comedy + respect for the times + a scumbag's repentance + a devoted wife + hard work to make a fortune... In his previous life, Qian Yiwen turned a once-good life into a laughingstock. After his son went missing, he took his anger out on his wife. Completely disappointed, his wife committed suicide by poisoning. Reborn, his son is still there, and his wife is still alive. He decides to rebuild his business empire, giving his wife, children, and elderly mother a stable and happy life, and his fellow villagers a prosperous life...