Google: How do I set the Shipping information?

There are two ways to configure Google shipping settings.

1. Shipping information can be set from inside your Google Merchant account under Settings > Shipping.
There are countless ways to provide shipping information to users here.
For more information on the Google shipping, click here.

2. Setting a flat shipping fee to your feeds

To add a flat shipping rate to your Google feeds, click on the [open advanced command] box and type:
rule shipping(#)

where # is the flat rate. Example:<code> rule shipping(0)</code>

Hit update and then regenerate the feed
The shipping information for all products may look like this:
<g:price>0.00 USD</g:price>

Essentially, all products have free shipping.