Great way to save money and utilize your space! Turn your office into a guest room. (While this seems amazing, I can't help but wonder: Who would feel safe on a DIY Murphy Bed? AND Would I want that person staying at my house!
Small Bathroom Storage Ideas - Bathroom Organizing Tricks and Tips - Good Housekeeping Purposeful Decor A rustic pallet is the perfect skinny surface on which to hang jars that house makeup tools. Plus, it acts as a design element first, storage second.
Hidden doors -- This company makes cabinets, bookshelves and anything you can think of that fits your existing doorjambs thus hiding the door (and also making use of the space) Not sure I like the idea of a 'gun cabinet' door.