It shouldn’t be a surprise that Walmart.com, Amazon and Target.com are limiting the how many copies each customer can buy of their loss-leader deep-discount books, but the WSJ sums up the respective ceilings: 2, 3, and 5 copies, by vendor. But that still means as long as an independent store has a few employees, they can order dozens of copies for the store with no problem (and free shipping.) Walmart.com ceo Raul Vazquez says “the company’s book promotion had resulted in brisk sales of the coming titles, and had also boosted sales of other products.”WSJ