### Comment:
Granted im retarded but they profit by a higher than normal spread right? Ie they siphon money off the difference between buy price and sale price which is why you got a worse deal on the market than someone with some other broker.

### REPLY:
No, that'd be stupidly illegal. 
  
 https://www.sec.gov/fast-answers/answersbestexhtm.html

### END.