I replace my rear spark plugs from UNDER the car.
I drive the front up on ramps and lay under the vehicle.....and reach up to the spark plugs.
The easiest way to get to the coil pack is to remove the cowl.
I replaced my coil pack without doing that, but it is harder.
Also....I try to only have 1 spark plug wire off at a time.....so that I don't switch them.
Remove the spark plugs with the engine COOL.
They are easier to remove that way.
It is a steel spark plug in a alluminum head.....so guess which threads are the most tender?
Of course....the most expensive part.