I suggest you read Getting Started in the Wiki, and read a recommended book such as Boglehead's Guide to Investing. Also recommend the new booklet by William Bernstein for beginners, If You Can:
https://dl.dropboxusercontent.com/u/290 ... %20Can.pdf
or on Amazon.com.
a Federal gov't job or something.
Additional investments into an existing fund account
$50 when buying shares through an automatic investment.
$100 when sending money by check or electronic bank transfer or when moving money between Vanguard funds.