I don't mind waiting the station I use has 2 diesel pump both which always have semis or farmers filling up
I use this time to get me some gas station food
as as far as the snotty people a quick F-Off shuts them up
People who love to give attitude seldom expect it back i find...hahahah especially when their ignorant ***** feel righteous about giving you crap and then you have the nerve to give it back....oh man! Mind-blower!