With the high cost of housing today, more and more people, are considering using the advantages of our metal building system to create an affordable home. Certain states allow every single-family residence to create an accessory dwelling unit to meet affordable housing requirements. If you are within a certain distance from public transportation, no additional parking is required. Many homeowners are building these units for caregivers or secondary sources of income so they can stay in their homes. Consider the advantages of a second home on your property in the long term. It is too good of a deal to pass up.