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Under-performance of 50% of clicks with pooches? This has never happened. Write to support with screenshots - we will compensate.
It's strange about conversions. In general, write to support, we will sort it out.
15% loss for pops is the norm.
If you repurchased 10000 clicks at $0.1, it is $1, and this amount does not say anything at all.
I recommend to redeem HQ traffic at normal rates and you will feel the difference.
Write to support, we will help with any questions.