A furniture store owner is creating her first AdWords campaign. What’s the best way to group her products?
Separate them in ad groups with themes like sofa beds, king-size beds, and queen-size beds
Separate them in ad groups based on what she thinks will sell best on the Search vs. the Display Network
Group them in a single ad group
Create a new campaign for every bed she sells in her store
Use ad groups to organize your ads by a common theme. For example, try separating ad groups into the different product or service types you offer.
For each ad group, pick a narrow theme and create ad groups around that theme. For each ad group, use keywords related to that theme. Consider also having your ads mention at least one of your keywords in its headline. This is because when someone searches for a term that matches your keyword, and they see one ad that mentions the keyword and another ad that doesn’t mention the keyword, they are more likely to think that the first ad is more relevant to what they’re searching for.
Read more here: https://support.google.com/adwords/answer/6372655?hl=en