You should use multiple ad groups when you want to:

✅  The correct answer is:

Use a different bid modifier for products in the same Shopping campaign

Question:

You should use multiple ad groups when you want to:

Solution:

  • Use a different bid modifier for products in the same Shopping campaign
  • Link products from a different Google Merchant Center account
  • Target a different country within the same Shopping campaign
  • Set a different priority on bidding within the same Shopping campaign