Hey, using them one by one these days? I guess many guys here are damn tired of that too. Let me share how to switch.
Check this "Best ad network" tool we developed. 
These numbers show average CPM in our ads mediation service by all users. This report is built for your top geo - US. You can try check others. Now you know the best.
How to go on with that useful info?
- All listed networks are connected to adspyglass.
- Add your existing ad networks accounts there
- Create and link some new if you want.
- Connect your direct advertisers or whatever.
Then we just let us make some ad mediation Magic.
No more ad codes changing, detailed reports and
30-50% more profit.
We run: popunders, banners, native, pre-roll, video slider, IM.
Support will help you to set any type in few minutes.
Popunder script is 100% free. Check my sig for details.