[mathattack]

I expect that the commission they charge is fairly hefty too. They'd also need solid physical security.

[phpnode]

These machines likely contain very small inventories, the value of their contents is almost certainly exceeded by a typical ATM.

[mathattack]

I would think it's less traceable though, no? This is not coming from any industry knowledge, but I would think that an ATM would know the bill #s, so if you stole it, the bills would be tagged. You can always melt the gold. But this isn't based on any practical knowledge.