Question: what are the negatives of putting one keyword per adgroup?
I run my own adwords for my own small business consulting company.
I'm a database guy, so I have set up things the way I'm accustomed to. Automated analysis, automated ad creation, large keyword lists, etc. It's easy for me to set up these kind of things, and then set up my own keyword groupings, adgroup groupings, etc, to analyze performance. I download google analytics data and pump it through my database. It's easiest for me to set up a unique adgroup with each keyword.
Whenever I talk to people in the industry, they tell me my campaigns are way too complex, and I have too many adgroups, and I should combine 10-15 similar keywords and put them in one adgroup. Everything I read in blogs and forums on the internet agrees with this. But why? I've never heard a solid reason, other than "it makes it too difficult to manage". But if it's easy for me to manage, are there other reasons?
1. Having low impression adgroups have a crossover effect and hurt the QS or impression share of other adgroups?
2. Putting the same ad in multiple adgroups has a negative effect on QS or impression share? (ie i will sometimes run the same ad across mutiple adgroups that have the similar keywords)
3. Google doesn't like it for some reason and will penalize you somehow, if you don't structure your campaign the way they like?
4. An adgroup can gain traction and keywords in it work together in a synergistic way. ie a keyword that has strong impressions and CTR when combined with other keywords, the other keywords will find favor from google, in terms of QS and how often Google serves them. And if they were all separate, those other keywords might not ever catch on with Google. Is this possible?
I finally broke down due to everyone telling me I was wrong and changed how I did things and tried to combine some keywords together in adgroups, so it wasn't just a 1:1, but I haven't seen any change. And I'd like to go back, because this creates manual processes for me.
Any insight to this?