Rebirth of the Elder Sister-In-Law from a Poor Family

Reborn into an era without electrical appliances and Internet, he was placed in a poverty-stricken family. The original owner had some dementia and was married. This is not the saddest thing. What is sad is that as the eldest sister-in-law, she still has a bunch of oil bottles under her. More importantly, there is also a cute little bun who calls her mother. Well, for this group of children, I can only fight hard. I don't have any martial arts skills. All I have is a pair of hard-working hands and a heart that wants to make a fortune...