Nobody publishes their native ROI, so most benchmarks are fiction. The breakeven math, per-model margin profiles, and public spend signals that show what profitable really looks like.
A spy tool competes against your testing budget, not your software budget. Here is the break-even math, the cases where it clearly pays, and the cases where you should keep your money.
Scaling is where most affiliate ROI dies, so here's a disciplined framework (gentle budget steps, horizontal duplication, and new-geo expansion) plus how to use live native-ad spy data to find proven demand before you spend.
