Ahh... found the push nuts for my window regulator.. a box of 50 is $11.. i should have replaced them all :) Just had to find the right name, never heard of a push nut before
IN the AMCJeep book they call them Stud Retainer.
You can resell 40 of them at 50 cents a piece and come out ahead. Get the list of part numbers and applications to move them faster