I ended up pausing the
PropellerAds campaign. I also ran it on
Advertizer and a few push networks. I have some decent results with push, but didn't pursue it over the past few weeks.
The GEOs I've had the best results in ended up getting paused and the GEOs with good KPIs are the most expensive (not uncommon) and aren't profitable with the SOI.
So, long story short: needs more testing or better results in the cheaper GEOs