Assumptions:
1. Search term should be in the ad
2. Search term should be in the landing page copy
3. Increase in relevance = lower cost per conversion
So I can't write new ads and landing pages for each keyword that I bid on.
I understand the idea of grouping keywords for one ad to increase relevance with tightly-focused adgroups.
How do I decide "OK that's enough grouping - I need to write a new ad and/or a new landing page"?
I'm selling the same widget with 10 ads and 10 landing pages. At what point do I decide to write the 11th ad and landing page.
Slightly confused