Posted By:
Mark AndersonActually, we (BVG/BGS) do offer a service to crack open slabs at $3 per.
Or, as has already been noted, you can crack them yourself. Plenty of methods people use. I suggest clipping a top corner off with a pair of bolt cutters, then working a thin flathead screwdriver around the edges. Practice on a junk card if you have one.
Mark Anderson