Cutting placement? how to do it properly with changing cpm? (3)
Cutting placement? how to do it properly with changing cpm?
Hi everyone,
I am using
Let's assume I start with this campaign at $5/cpm.
In
Each day, I may increase my bids as follows:-
Day 1 - $5/cpm
Day 2 - $8/cpm
Day 3 - $40/cpm
Day 4 - $12/cpm
I am just testing out the bids pricing to gain more volume.
In Popcash, I can see overall costs spent on each site. But I can't tell what category is doing well or not. This one I can see in voluum. However because I always change the CPM price, thus how do I track which category or variables are doing good in voluum.
Plus in popcash, even I am bidding at $40/cpm. It doesn't mean I will really spend $40/cpm. It could be lower say $20/cpm via popcash system.
This is my current dillemma. I am not sure how to cut the placement. As far I understand, it's 3x of the payout. But what is my exact costs to each variable to determine the cutting process?
or is there any excel template which I can use to come out a better conclusion?
Any help? Thanks.
This is a very good (& tricky) question!
It's very difficult to do this properly because as you noticed, there are a lot of variables.
One way you could do it is to set up separate campaigns, one with a low bid and one with a high bid and go from there.
Another way you could do it is test at a higher bid, put winning placements into a high-bid-whitelist campaign, and put placements that could be profitable at a lower bid into a low-bid-whitelist campaign.
Honestly, the amount of variables and stats involved in testing it perfectly goes over my head. I simply make a campaign at a bid I think is about right, then whitelist the good placements, then test for volume by upping/decreasing bids afterwards. It's probably going to miss placements here and there and of course isn't perfect - but it still finds winners 
Very nice points were made by Ruby Tunes! 
The only thing I want to add is that, for many traffic sources, you probably want to evaluate a placement's performance differently while it's at different bids. Some traffic sources, for any one visitor from any one placement, will show the ad of the highest bidder first, and that of lower bidders later. Therefore the traffic quality of a placement can change significantly with varying bids. A "bad" placement can be transformed into a "good" placement sometimes if you bid higher (assuming it was just borderline "bad" and not sending a bunch of bot traffic).
Nice discussion you guys!
Amy
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