No pain no gain - hope it turns out well for you.
If you don't mind me asking - what type of scars do you generally have? How much approx % wise did the subcisions help?
I'd say 95% of my scars were rolling scars. The reason I did the laser was was mainly for better skin texture and to smooth out the scars that my previous subcisions corrected.
...And I'd say I had around an 80+% improvement from the two previous subcisions that I had. I was going to get another round this time but the doc wanted to see how my face responded to the laser first. He's thinking that the laser might be enough to get the results I want to see but if not that he'd do the subcision free of charge after my face is healed.