Modular homes can be more affordable. Their shorter build time will save you money on the overall construction. Home inspections are not needed as these are all done in factory. They are much more energy efficient, therefore your monthly expenses will be substantially less. Modular homes are environmentally friendly due to their efficiency. There are a great variety of homes from which to choose, there are many top architects that specialize in designing modular homes. As with any home, modular homes can be built on to and expanded.