Look under the stairs. “The space beneath the stairs is always underutilized,” says Hack. Built-in shelves or cabinetry can make all the difference.
Use the ceiling. Keep stuff safe from groundwater by getting it off the floor. “Create a flange system with simple framing material to create tracks on the ceiling,” says Hack. “Package everything into airtight Tupperware containers and hang it in the flange system to utilize space that would never otherwise been functional.”