There's a post in the RS Cheating section here about RSBot so you should just check there. Its got quite a few scripts last time i checked on their offical forums.
I'd exchange it into my local currency which is the New Zealand Dollar ($), i think it pretty much triples. So id put into some fund and let it generate me more money.
I know very little about America, the only things that i know is that America is a country that has a black president and thinks it can police the world and bomb the crap out of anything that tells it otherwise.