Well many direct access brokers charge around $10--mb trading, rushtrade, cybertrader, speedtrader--although some of these have extra fees for penny stocks. However, I actually use freetrade myself as i like the commisions and don't really care for customer support.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.