Microtrading: Decent Returns?

I blogged about this idea not too long ago. The concept is to use very small trades relative to your available margin and net asset value (NAV). I'm doing this with the AUDJPY pair so that when I accumulate positions I am earning a positive carry trade return.My trade size over the last week has been such that the margin involved in each trade is 0.2% of my NAV. That's tiny. Twenty five