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					Originally Posted by bks14sr  Ahh, didn’t realize vintage cardboard was that abundant and priced on how they’re manufactured/packaged. Figured I’d get some bs responses. But I’ll hold out for actual, as I’ve dealt with plenty of solid people here. | 
	
 I actually think Elm's response is a pretty good one.  There are transaction costs inherent in every sale.  Buy one set, one transaction cost, hence it's cheaper.  
Another thought I had is to think about it this way:  Which cards do people want?
99/100, when buying a 63 Topps card, are buying Aaron/Mantle/Mays over a complete set, or an Earl Francis card.  The market for complete sets is much thinner.  Therefore it makes sense that when selling a set, to most of the public you are selling the bluechip cards.  Set collecting is more niche and won't demand a premium over the big cards.