Sharebuilder($25 Bonus), a discount brokerage, is comparable to other online brokerages such as TradeKing and Zecco. They are one of the highest rated top online brokerages that is owned by ING. Their claim to fame is the automatic investing with very attractive rates. They have 3 option plans include the Basic Plan, the Standard Plan, and the Advantage Plan.
Personally, I would go with the Basic plan that offers $4 automatic investments. Now, the people from Sharebuilder is giving out a plethora of coupon codes for free automatic trades and real-time trades. Just log into your Sharebuilder account and go to the Account > Overview > Promotions tab, then use these codes below
You got nothing to lose, so simply try out these codes to save you big money.