We're a couple in our 30s who dreamed of building a tiny home. My parents had concerns, so we made a pitch deck to convince them.

This as-told-to essay is based on a conversation with Anne Leijdekkers, 32, a Dutch arts entrepreneur, and Simone Solazzo, 31, an Italian who used to work in tech. Last year, the couple moved into the house they built in the tiny-home village of Minitopia in Valkenswaard, the Netherlands. This …