Pricing is important and is clearly stated to avoid any kind of confusion at every stage of the transaction.
The availability estimate on each item's detail page refers to the amount of time it will take us to acquire the item once you place your order. It does not take into consideration the amount of time it will take your order to reach you once we ship it. Shipping time is dependent upon the shipping method you choose. Here is the equation you should use to determine when you would receive your order:
(Availability) + (Shipping Time) = Total Delivery Time