The Habitat for Humanity ReStore is a small warehouse stocked full of donated items and fixtures for your home-improvement needs.There are rows of shelves with sinks, lighting fixtures and toilets. But you don't just have to buy there, you can donate as well, in exchange for a tax write-off. Proceeds from the store benefit the Habitat for Humanity organization that provides low income families with homes, while requiring these new homeowners to assist with the home rebuilding process.