Tip: It helps to draw pencil lines on the top and ... so you can dig it out if you decide to remove the shelf someday. You can buy floating shelves in stores or online for $20 to $80 each.

Ideally, you should attach floating shelves (or anything ... of where you want the shelf to go. Step 2: Using a level, draw a line in pencil across the wall to ensure that your shelf will sit ...