"Greetings from Target.com.
Due to an unexpected error, the following item(s) you have ordered were incorrectly priced at the time of your order.
Britax Marathon Convertible Car Seat - Granite.
We're sorry, but we are unable to offer this item for the incorrect price. The correct price is $279.99. We have canceled your order for this item. If you would like to order this item at the correct price, please visit Target.com to check for availability.
Despite our best efforts, a small number of items on our site are occasionally mis-priced. We do, however, verify prices as part of our shipping procedures. If we discover that an item's correct price is higher than our stated price, we will either contact you for instructions before shipping or cancel your order and notify you of the cancellation. This pricing policy is posted in the Help section on Target.com.
Again, we're sorry for any inconvenience this may have caused you. Thank you for being our valued guest.
Guest Service Department
Oh well. It would have been a great deal!