I'm a real estate agent building a $480,000 backyard home for my mom. I still made these costly mistakes.

Even for a real estate agent, Shalini Karnani Bonjour says building an ADU has been hard. Here are the biggest mistakes she made and lessons learned.

MediaNews muestra el titular y el resumen publicados por el medio. El artículo completo se lee en el sitio del editor. (www.businessinsider.com)