That protector is definitely a must buy. Even with my doofus install I managed to get a beautiful result. Highly recommended. Here’s the vid I made of my install. (You may want to lower the volume as I’ve heard people were annoyed with the music I added):
Yea man they’re a bargain for sure at $5 a piece. Mine laid perfect, no specs, no bubbles no dust. Can’t even tell it’s on.