Bots are the main problem with pop traffic, so you need to choose a network with serious protection. PropellerAds, for example, has its own anti-fraud system. Here is their description: popunder ad They cut off bots at the pre-bid stage (before you buy an impression), which saves money. Plus, their CPA Goal algorithms avoid areas that don't generate conversions.

@travis if you're interested

@MIMIRMAGNVS No thanks. I'll take some 18% if you put it up.

@travis ok, done