[beset]

I think you should be able to beat PLO25 for more then that but 13500 is a very small sample and given the high variance of PLO your true WR could be much higher. Why not post a sreen shot of your actual stats?

As per your second issue, I have often done then "Play X hands then move up" thing. I have mixed feelings about it. The only reason I have done it in the past is to build discipline. There is nothing magic about each limit. I try to take the Tommy Angelo approach and avoid thinking of myself as being at a particular limit and instead have a range. For example, I might play 1/2, 2/4 and 3/6. 2/4 being my main game, 1/2 when running bad, tired, wanting to relax and be over-rolled, and 3/6 when the game looks exceptionally good and I want to take a shot with a few buyins. That sort of thing.