If you're 19, have finished two years of college, how much money would you need to have in your bank account to prove to them that you're capable of supporting yourself? How much money would a European family of three need on average? How does the job thing work, do you just send applications and show them you have a job interview once you're at the visa interview? Or do you need to go to the US and apply for jobs before you get the Green Card/Visa?