At 72, Bette Presley designed a 166-square-foot mobile cabin that is equipped with solar panels for off-the-grid living.

Photo: The Tribune
The working grandmothers, known as the Sausage Nonnas, use their tiny homes to travel the country and cook meals for Sausage Sundays.

Photo: Sausage Nonnas
Watch Shirley Louiselle talk about the tiny home her grandson built for her and how it sparked his new business.