I've done this with the two MBP's we have at our house. It was very simple (around 8 screws). Just make sure you have a tiny screwdriver set (like those used

I've done this with the two MBP's we have at our house. It was very simple (around 8 screws). Just make sure you have a tiny screwdriver set (like those used for glasses). You can usually search for macbook screwdriver and find ones that work for <$10