TradeKing has no minimum balance, $4.95/trades, and it was fairly painless to sign up http://bit.ly/19JPLlS
Sharebuilder is ok too, but more expensive. I think bitcoins are actually more complicated to trade.
Sharebuilder is ok too, but more expensive. I think bitcoins are actually more complicated to trade.
Sharebuilder is great when you're just starting out or want to automatically dollar cost average into positions. I started there, and then moved to TradeKing.