Yep this is the most generic question in the world, but for me it seems thats right now push is limited volume in many aspects and i have seen tens of case studies from many places and ots always in the xxxx$ profit for a campaign lifetime revenue. Maybe its me but can one push campaign (on ad network, no private network) get to the 6/7 figures$? I mean making xxx$ and xxxx$, is all around. If anyone can object to that it will be great for my beliefs around this. Thanks!
If you change your creative often and revise the campaigns there isn't really a limit. We have campaign running consistently on or Self Service platform for about a year now. It depends also on the traffic source, if you got a traffic source that constantly changes it's user mix, meaning, receives a constant flow of new users you can prolong your campaign profit
Most of the time you are limited by offer caps (which you can partially solve by scaling into multiple geos).
The issue though IMHO is also that it's hard to scale and get good quality traffic at the same time.
Once you start optimising your traffic is limited.