When it comes time to trim the back of your hair, things get a bit more complicated. For this step, you'll want to grab a section of hair again between your pointer and middle finger, and slide it down to the same length where you made the cut on the front of your hair. "Bring the hair to its side and cut straight up so that the hair will make a straight line when you let go of it and it returns to the back of your head," advises Nogueira.

Now that you've parted with most of your dead ends, you can try your hand at a more adding layers to the top portion of your hair. Trimming the layers of your hair is not much harder, but you need to use a different technique to maintain the texture of the hair. At this point, you can let down the top section of your hair. "Use the two fingers to grab a section of the top layer of hair and again, slide it down to the ends," Nogueira says. "When cutting the ends of this layer, do not cut straight across like you did on the bottoms." It's important that you're cutting parallel to the direction of the hair with the point of the scissors. This step takes a bit longer than a simple straight-across cut, but makes the layers look more natural and textured.

Double checking your work is the main step you need to take to make sure that the cut looks like it was done by the hands of a professional. Grab sections of hair from each side of your head that fall in the same area, and slide your fingers down to make sure that the sides match. If one side is a little longer than the other, feel free to return to step one or five depending on the layer that is mismatching.

And with that, you've just saved anywhere from $30 to $100 on a trim by learning how to cut your hair at home.