SpareFoot makes renting self-storage easy. SpareFoot makes renting self-storage easy. Our free marketplace lets customers find and reserve storage units online. We have the largest inventory of storage units in the U.S., with a network of more than 9,400 facilities, ranging from independent operators to publicly traded REITs. We reach millions of people who need storage through exclusive partnerships with brands like AAA, ForRent.com, Penske Truck Rental and SelfStorage.com. SpareFoot brings consumers and facilities together to deliver the most convenient and enjoyable storage experience possible online, offline, and via mobile.