I don't think $10 will save you if the situation is serious, this will complicate the situation more.If they want to find, they'll contact the host and if you paid via a Verified (Real) Credit Card and they have your credentials, then you can say "Good Bye" as (I think) you'll be penalized more..
You don't understand. The point wasn't to use a proxy to make illegal downloading untrackable. It was to use a proxy to access US-only (legal) media, like Hulu or South Park.