Amazon, known for selling just about anything, also offers affordable prefab houses—and one of the most popular models costs ...

Unlike a traditionally framed modular home, there were very few cracks in the gypsum board finish materials used on the walls and ceiling, meaning less patch work and less money to pay a contractor.

It also prefabricates panels and components that include headwalls, exterior panels and systems, steel wall studs, and customizable interior framing assemblies. A suite of slide-in modular bathrooms ...