Affiliate Marketing Secrets

When I look at the websites of these martial arts schools,also including 8 Martial Arts for Health,Zhen Ren Chuan,they all claim to teach the same 8 styles as one.The uniforms,layout of the schools,posters on the walls are the same.But when I contact them they all say they are not affiliated with each other.Anybody have any info on these schools?

paypal is not a good way for earning profits, because paypal deducts huge charges on every transaction, i think the better way is to use google adsense