Final answer:
Hiroko can decrease bid amounts, exclude previous visitors from her campaigns, and pause her campaigns after layering her Search campaigns with her remarketing lists.
Step-by-step explanation:
After layering her Search campaigns with her remarketing lists, Hiroko can do the following:
- Decrease bid amounts: Hiroko can lower her bid amounts for the remarketing lists since they are more likely to convert.
- Exclude previous visitors from her campaigns: By excluding previous visitors, Hiroko can focus her campaigns on acquiring new users.
- Remove all keywords: Hiroko should not remove all keywords, as they are essential for targeting specific search queries.
- Pause her campaigns: Hiroko can pause her campaigns if she wants to temporarily stop running them.