It will sell, but even if it didn't they'd just make the number that's been ordered. Avalon has said that they're strictly build-to-order. In other words, they're not like Walmart. They're like a company that Walmart orders 3000 pickaxes from; they don't buy the wood and steel for the pickaxes until Walmart has made the order. Walmart has to take the risk that the pickaxes won't sell, and they'll have to take care of warehousing costs. Inventory is a major concern in modern commerce - often you'll have large assets tied up in inventory that may go unsold, or at least has to be insured, guarded from burglary and fire, storage space rent paid, etc.