Payment Method
After clicking the Checkout button in any product, you will be asked the following:
There two main payment methods:
You can choose, also, the address where you want your purchase to be sent, trough the Change Address button. It will be selected from the Address Book [help].
The following question is the UPS shipment mode, Standard or Express.
In the Add Comments About Your Order cell you can specify any comment or requirement for your purchase.
The Next button carry us to the second phase of payment. Here you will be the bill of your shipment, taxes (if applicable) included. A summary of the options you choosed will appear, too.

The Process button leads us to the last phase: