1. Sign up here --> How to Earn Money Online | CPAlead.com
2. You must have a website/blog that offers content that people will be willing to do a survey to access. Some examples include movie sites, tv show sites, program serials sites, file download sites, music sites, game downloads (hacks, cheats, programs) sites, and many other kinds. Unsaturated niches with high market value can be found in the premium section.
3. Absolutely no porn is allowed or you will not get approved. You also cannot have a "GPT" or get-paid-to site, where you give users cash in exchange for doing surveys.