I did my spark plugs myself.....so ANYBODY can do it!
It does take some muscle though, I had to have hubby loosen 5 of the 6.
The passenger side, back plug is the hardest one to access.
There's a How-To in maybe just a post that describes how to do it.
As a newbie who'd never done this, ONE TIP I definitely followed was to tape the sparkplug puller to the socket so it didn't come off in the well