Providing a billing address and shipping address is an essential part of the checkout process. Odoo, by default, assumes that the shipping address is the same as the billing address:
In Odoo 11, all of the fields on this form (in bold) are required except for the Zip Code and Street 2 fields.
After clicking Next→, you will be prompted to verify your address information, as shown in the following screenshot:
Here, you are presented with both the Billing Address and Shipping Address fields, which will both be the same initially. ...
