Come on man, it is a piece of cake. Disconnect the connector before removing the screws.
+100 watching that video, I gotta say that must be one of the easiest things to fix on your vehicle. No amount of PTSD should stop you from doing that. Did you hear him say $75?
??!!!! Start looking online for a auto salvage parts.
I picked up an exact paint match rear bumper cover for a 2013 Sienna for a fraction of what a new one + paint would cost.