1. keep this in mind - the true horizon is the only horizontal line you can depend upon 2. 3. adjust your tripod with this object lined up with the edge of the picture in your viewfinder 4. The only time you should have the camera tilted is when you want to create tension in your viewer's mind. The tilted picture is used to make the viewer feel something is wrong, horror, war and fighting scenes use this technique. When using the tripod make all of your movements short, and go from one good picture to another.
Short pans look better than long ones.
The same is true of Tilts. The shoulder mount adds stability to your camera. You can look in the back of almost any video trade magazine and you will see 6 to a dozen different designs. All of them, whichever one works for you. Monopods these are single sticks, which will have a camera, mount on top of them.