Used sharebuilder ing and two other trading co Stock order of 50000 or more always charged commission three time for one order (stated could not fill at one time ok can happen but always happen and in their favor never happen with option house or e trade) Real time trade not real time orders placed with other trade co fast and what they say it is not share builders lost over 30thousand in one quarter Trade with express funding and cancel trade they still continue with funding They have excuses for everthing save head ache and whole lot a money use option house or ameritrade lot better read full review »