Wallpaper supplies are easy enough to find at a variety of retail outlets, and may also be ordered online. There are several options when it comes to installing wallpaper. You can opt to have a professional handle the job, or rather, take the DIY approach. If you choose the latter, you may like to know that it is generally much easier for the average person to successfully put up new wallpaper because of all of the helpful and easy-to-understand kits on the market today. Just about anyone with the patience to learn and the time to commit can see any wallpaper job to successful completion. However, if you rush into the job, it is easy to make mistakes that can cost money. For instance, if you have not taken the time to figure out how to avoid shrinking seams or rippling, then you are probably not suitably equipped. Even though it is possible to do it yourself, having wallpaper installed is not a terribly expensive proposition, which is why many people leave it up to the experts. The main supplies that are employed include sizing (which helps the wallpaper slip easily into place), a border adhesive, wallpaper stripper, prepasted activator, and corner guards. (There are other supplies that may be used depending upon the nature of the project). Common tools that are used for virtually every wallpaper job include a paint roller, smoothing brush, sponge, razor knife, drop cloth, and water tray.