Dealers - what do you bid on at auction?

Question for dealers:
Obviously if you have a client want list, that's what you bid on. How about other stuff? How do you decide what to bid on for your inventory, when there are so many coins auctioned?
Obviously if you have a client want list, that's what you bid on. How about other stuff? How do you decide what to bid on for your inventory, when there are so many coins auctioned?
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