The main thing when dealing with these kinds of sites is doing your research
. You want to find a site that has the best deal and high quality movies. There are a lot of iPhone membership sites that are cheap and don't have a good selection of movie and the movies are bad quality. Knowing what you are getting into before you pay that membership is incredibly important. Once you find that perfect site, you'll be wondering why you haven't been using this kind of service the whole time.