Campaign priority should be used when:

Campaign priority should be used when:

  • A) You want to lower the bid for a product group
  • B) You have multiple sales to promote within the same campaign
  • C) You want to separate your inventory by brand
  • D) You have multiple campaigns advertising the same products

The correct answer is:

  • D) You have multiple campaigns advertising the same products

Explanation: Campaign priority is useful when you’re advertising the same product, for the same country, in multiple Shopping campaigns.

 Read more here: https://support.google.com/adwords/answer/6275296?hl=en