Crown Castle International Corp. ( CCI ) This REIT is unusual in that its "tenants" are cell phone towers. Having voraciously read Robert Allen's seminal book, Nothing Down , as a college student, I decided to purchase a duplex in what I believed was an up-and-coming part of the city. While traditional income-focused investments fail to perform in the face of looming inflationary pressures, REITs are uniquely designed to fight inflation.