We're raising toddlers in a tiny home. We work just 3 days a week, and save over half our income.

Jos van der Meulen and Fenna Wit in their tiny home in the Netherlands. Samira Kafala for BI Jos van der Meulen and Fenna Wit, both 29, built a tiny house for about 75,000 euros ($87,000). The couple lives mortgage-free, with housing costs low enough to save a big chunk of their pay. They can afford to work three days a week, giving them more time with their two children. This as-told-to essay is based on a conversation with Fenna Wit, a data analyst, and Jos van der Meulen, who works for t...