Dress professional, show up with a clean vehicle showing pride in yourself and that you take care of things.

Be polite, courteous and like was mentioned, offer compensation in chores etc... I already think your prepared for being turned down but keep asking. PM Jeff (GMMAT) or hopefully he'll stop by cause he has the best knack for getting permission than anyone I've ever met. That's the side some of you morons don't know....LOL [8D]