Investing only a small amount

[Newt_Buggs]

Normally when people ask me for advice on how to start investing after I tell them that I know nothing and they shouldn't be asking me I recommend Vanguard funds. I got asked by a friend though who is looking to invest only somewhere between $2,000-$3,000 and I figured Vanguard might not be the best way to go if it is under $3,000. I was thinking ETFs might be a better way to start her out investing. Thoughts? If ETFs any recommendations on which ETF(s)?