on orders of $159 or more

Simply look for the
logo to enjoy free shipping on selected items throughout the store. If
the items in your order are eligible for "Free Shipping" and total $159 or
more, your order ships FREE to the 48 contiguous United States!  Most
orders that are received and processed before 2pm Eastern Standard Time
Monday-Friday will ship out that same day.  Orders that require custom
programming will take longer depending on the depth of the programming.