Which “Buy Youtube Views” Services To AVIOD?

Hey everyone,
I was wondering if everyone could help me compile a list of which "Buy Youtube View" Services should be AVOIDED. I am trying to narrow down a list of which services and their methods are being detected by Youtube.
Same thing for buying Comments, Likes, and Subscriptions. I need to know which ones to avoid so I don't mess up an experiment I am about to conduct. I am trying to figure out what REALLY makes a video go viral. I wanna know which is most important…Views, Comments,…
Which "Buy Youtube Views" Services To AVIOD?

See original post by LazyMarketer