Niche traffic to the corresponding site(s). I typically send them to a free site promoting my main. But I have a few sponsors on there so if I can't get them to mine, I can get them to another.
I typically have the free site linked to a tour.
Maximum temptation to convertion. If they are ready to buy. If they want something else, I offer the other shit along the way. Either way, I get paid.
