I’ve seen a lot of controversy about wether to change plugs while the engine is hot or cold, some say take out when hot and put new ones in when it’s cold and some say cold for both or it doesn’t matter. So I came here for answers. TIA

 

As a mechanic who has done plugs a million times to numerous vehicles, it doesn’t matter

 

Hot or cold, doesn't matter (though pulling plugs out of a hot engine generally isn't fun lol). What you need to remember: