The Solo © Avrame.com The Solo has a 14-foot triangular truss system. There are three models in this series. Each is 14 feet wide and about 13 feet tall. Lengths vary and range from 20-34 feet. Here’s a breakdown of the sizes and costs of each model: 100: 250 square feet; 1 bed and 1 bath; $15,600-$38,05075: 180 square feet; 1 bed and 1 bath; $13,050-$32,52557: 140 square feet; 1 bed and 1 bath; $11,050-$28,200 The solo is ideal for tiny home living or to serve as an ADU on your property.