Homemade Rain Barrel - good way to 'recycle' water and not have to jack up your water bill! Penabade maybe Aaron should set this up so you guys can still water the garden grass w/out the water bill being so dang high!
Make your own living succulent art. If you don't have the time to plant a living wall, you can get the same dramatic effect by framing a garden of succulents. Build the frame yourself and plant your own cuttings or buy an all-in-one succulent garden kit.