In the long run it can be cost effective, due to the amount of years you can get from paper. And nothing compares to the beauty and warmth you get from wallpaper. It will add so much character to a room. Wallpaper will change the whole visual appearance of a room. It can brighten a room, add lots of character, make it warm and cozy and even make it look bigger and that sometimes suprises people.It will bring out your personality.
