If the cost-per-thousand impressions (CPM) option is not available for a campaign, the most likely reason is that the campaign:
A) Has used CPM pricing before.
B) Is only opted into Google search and the Search Network.
C) Only opted into the Google Display Network.
D) Has never used CPM pricing before.

Question

Quizplus · Accepted Answer

CPM pricing is typically available for campaigns on the Google Display Network, not for those only opted into Google search and the Search Network.

If the Cost-Per-Thousand Impressions (CPM) Option Is Not Available for a Campaign