There's a good explanation for why they are few and far between, and I'm going to quote The Dark Knight here: "Joker: Like my mother used to tell me - If you'r

There's a good explanation for why they are few and far between, and I'm going to quote The Dark Knight here: "Joker: Like my mother used to tell me - If you're good at something, never do it for free." If they were good, they would charge a lot of money [making them unappealing]. By going with a cheap alternative, you are either going with a new company or with an incompetent group.