While for most do-it-yourself men a garage door installation may seem like a simple task, it really is not. Since not all garage doors are the same, just the act of choosing the right electric motor, remote, and levers already requires some trained experience.
It is necessary to understand weight ratios in relation to electric motor powers, knowing how to properly set up the rails and the lever action. A lot can go wrong here since you are dealing with potentially heavy equipment and electricity.
It is always best to leave this sorts of installations to professionals and having a garage door installation expert come to your home. They can install it for you quickly and efficiently, and at a lot less of a cost than you may expect.