Will finishing the basement add the sale value of a home? This is a question that people with unfinished basements ask before listing their properties for sale. Generally, an unfinished basement has an infinite potential. It can be finished and used as a rent-free storage for stuffs that a homeowner wants to access with ease without crowding their living space. It can also be used as a man cave, media room, bar, or apartment for a mother-in-law.