Question: Make a secret hiding spot
Option 0: Buy an electrical outlet and a box that fits the outlet. Using a small saw, cut a hole in the wall to fit the box, next to a stud. Screw the box to the stud, the put the outlet in it. Hide jewelry or small valuables inside, then screw on the cover plate. No one will know it's not a real outlet except you. Simply unscrew the center screw to access.
Option 1: Buy an electrical outlet and a box that fits the outlet. Using a small saw, cut a hole in the wall to fit the box, next to a stud. Screw the box to the stud, the put the outlet in it. Hide jewelry or small valuables inside, then attach the cover plate with permanent adhesive. No one will know it's not a real outlet except you. Pry off wall to access.
Answer: 0