I bought my parents’ house at below-market rate — my sister wants me to give her $50K to build my mother an annex. Is that fair?

I bought my parents’ house at below-market rate — my sister wants me to give her $50K to build my mother an annex. Is that fair?
·6 min read

For years, she and my sister talked about building an annex onto my sister’s house so my mom could move in with her. As the pandemic set in, my sister’s contractor told her that lumber prices would rise, so she purchased lumber and kicked off the project. ‘To complicate matters, my stepfather decided he wanted to stay in their house, and not move to my sister’s house.’