I take the gold because I want to stick it in Father Elijah’s face that you can have everything you want with enough hard work, determination, and creativity.
Pick up all gold, drop as group, carry and place on other side of door if too low level. Pick up gold and crawl out. Never be able to sell due to vendors being poor saps.
Put that shit on the shelf in the underground hideout (best mod in new vegas!), so I can bask in its radiant glory and think of Elijahs slow, miserable death filled with rage and frustration over having lost to a goddamn mailman