This interview is based on a conversation with James Richard Cornell, 63, who has been caring for his 87-year-old mom with dementia for over a decade. Cornell built a house on his property for his mom, which has helped them avoid nursing home costs . This interview has been edited for length and clarity.

My mom is a pleasure to take care of. She doesn’t give you any crap. She does what she needs to do.

I’ve worked in the trades my whole life. I started my first few years doing oil burner service. Then, I got into doing aluminum siding, but I wasn’t really happy with myself because I didn’t finish school.

I went to school to learn about…