Painting a house is one of the most basic and easiest things to do, yet it is often taken for granted. To paint a house, you will need a paint-spraying gun and it would help to learn what kind of surface you are going to work on. There are different surfaces, so you may need to pick up some paint samples before you set out to paint a house. Also, a paint-spraying gun is usually small and compact, so it is not likely to have too much work that needs to be done to it. It is also one of the most cost-effective options, because it is rather easy to find and use.