I trade those stocks everyday, so I'm perfectly aware of how possible it is to take a couple points from them. Indeed, many people do. My concern was the "tone" of your post - making it sound like all you do is flip on your PC, make a few trades, and whammo! fast cars etc.
Also, 4:1 margin is AMPLE. If you lose money trading 4:1 margin, do you really think that having 10:1 if gonna HELP you?
As far as trading Naz goes, bullets aren't really necessary, as getting an upBID happens so regularly.