* I am almost certain that the approach to sort by carrier ( not possible/necessary in this case ) and then by device manufacturer makes the most sense with these BinBit or similar offers ( Please someone correct me if I am wrong )
* The above example is also pretty typical when it comes to absolute $$ numbers. Forget ROI for a moment ( that really doesn't buy me anything; the mere fact that I isolated some factors really hasn't improved the total $$ amount . ( On other campaigns - the moment I selected just a few parameters ( i.e. carrier,manufacturer etc. ) volume dropped significantly so that I am in the same positon again : ROI but very little total $$ )
I used this one also because it has some higher volume - my other campaigns the challenge is actually magnified because of the lower volume .
I have tried to scale by all the methods mention in the forum here - not really to any avail - I mean I am starting out with a $2.00 profit for 3 days how much is there to scale - ( maybe I am wrong there as well )
And since the opera mini targeting hasn't improved the profit margin; looking at the epc vs. cpc ;- I can't really bid higher to maybe get more volume - and I am already at the minimum cpc offered by the network and they are he cheapest ones out there for this offer.
Should I just look for higher profit margin before attempting any optimization ? or is there something systemically wrong in my approach.
Thank you as always for looking - hope people aren't tired of this by now - but I can be tenacious if I want to accomplish something