Dave & Adam has The Guild boxes on sale for $20 ea, with a maximum of 10 boxes per order.
Rough estimate ($11.50 for the first spot, $8.50 for each additional spot).
1 auto per box - 10 spots
1 wardrobe card per box - 10 spots
Insert set #1 - 1 spot
Insert set #2 - 1 spot
5 boxes of base cards - 2 spots
24 spots total
The way I remember it, back when people were busting cases of this stuff, their was 2-3 main character autos per case.