A few observations on my limit holdem stats over the last 12 months.
Hands played: 65k
BB/100 actually -0.2. Not marvellous, but certainly more than covered by rakeback.
It's actually better than that though, because I have 1.4BB/100 over 30k hands at 3/6 and 5/10 and 13BB/100 over 1k at 4/8. I lost at 0.5/1, 1/2 and 2/4, and also made statistically insignificant losses at 6/12 and 8/16 plus a big heater win at 10/20.
I wonder whether the lower stakes are causing me to play suboptimally due to a lack of sting?